FCC ID: 2AN4C-7185 BLUETOOTH NOISE CANCELLATION HEADPHONE

PACKAGING LIST KEY FUNCTION TRIP II Headphone x1 Type-C charging cable x1 User guide x1 BUTTON / INTERFACE POSITION 3.5mm audio port LIGHT INDICATORS Tap: Play/Pause (Music) Answer(Call) Double tap: Ambient Normal/Noise Cancellation Off/Noise Cancellation On switch Triple tap: The Voice Assistant On Press and hold 2S: Reject/End the call Short press increase volume Long press next track Short press decrease volume Long press previous track Press and Hold for 2 Seconds:

Power On/Power Off Double Click: Enter Pairing Status QUICK START GUIDE Volume+/-

Light indicator Power/

Bluetooth pairing Touch Panel Type-C port Disconnected (White light flashing) Bluetooth pairing (Red & white light flashing) Device connected (White light flashing) Low battery (Red light flashing) Charging (Red light on) Charging complete (White light on) TURN ON AND TURN OFF Power on: Press and hold the power button for more than 2 seconds to power on in shutdown state, and the white indicator light flashes. Shut down: Press and hold the power button for more than 2 seconds to shut down in power-on state, and the indicator light off. PAIRING Pair and connect for the rst time 1. Press and hold the power button for 2 seconds in the shutdown state, and the voice prompt "Power on" is accompanied, the red and white lights flash alternately to enter the pairing state, and the prompts "Looking for device". 2. Open the bluetooth on the mobile phone and nd

"233621 TRIP II" to connect. Turn On To Reconnect Press and hold the power button for 2 seconds in the power-off state, accompanied by a voice prompt of "Power on", white light flashing, the headphone will reconnect to the recently connected phone automatically. Re-pair 1. Press and hold the power button for more than 5 seconds to start up and enter the pairing state in the power-off state, and prompt tone, red and white light flashing alternately. 2. In the power-on state, double-click the power button to enter the pairing state, accompanied by a prompt tone, red and white lights flash alternately. 3. Open the Bluetooth on the mobile phone to connect. Disconnect and reconnect the Bluetooth 1. The headphone will not be powered off automatically when ambient on or noise cancellation on. 2. Automatically powered off(In noise cancellation off):

After the headphone is disconnected and no reconnected within 10 minutes, the headphone will turn off automatically. Notice: The headphone will be powered off automatically within 10 minutes, if there is no device connected to it. If there is no mobile phone connection within 5 minutes when the headphone is in the pairing state, the headphone will exit the pairing state, and enter the connectable state with the white light flashes. If there is still no mobile phone connection within 5 minutes, the headphone will be powered off automatically. 3. Remote disconnection and reconnection

(In noise cancellation off) a. The headphone is disconnected, it will reconnect automatically by returning valid connection range within 10 minutes. b. After 10 minutes, the headphone will have to be manually reconnected. c. After 20 minutes of disconnection out the valid range, the headphone will be powered off automatically. NOISE CANCELLATION SETTING In the power-on state,double tap the touch panel to switch Ambient Sound On/Noise Cancelling Off/Noise Cancelling On. TOUCH FUNCTION Tap: Play/Pause (Music) Answer(Call) Double tap: Ambient Sound On/Noise Cancelling Off/

Noise Cancelling On switch Triple tap: The Voice Assistant On Press and hold 2S: Reject/End the call CHARGING 1. When the battery power is less than 10%, the red indicator light will flash with voice prompt. 2. While charging, the red indicator light is on. 3. When fully charged, the white indicator light is on. Notice:

A. Charge the earphone via computer or certied charger (output 5V/700mA and above), the earphone will be fully charged in 3 hours. B. If the earphone is automatically turned off due to insufcient power, charge the earphone on time. If the earphone is not charged for a long time, the battery life may be affected. VOICE PROMPTS 1. Power on: Power on 2. Pairing successful: Audio connected 3. Low battery: Battery low(<10%) 4. Bluetooth pairing: Looking for device 5. Connection disconnectedAudio disconnected 6. Power off: Power off 7. Maximum valume: Beep Beep 8. Incoming call when talking: Beep Beep 9. Hanging up: Beep CALL FUNCTION 1. Tap the touch panel to answer the call. 2. Press and hold the touch panel for 2 seconds to reject the call. WHEN THE CALL IS ACTIVE 1. Press and hold the touch panel for 2 seconds to hang up the phone. 2. Press "Volume+" and "Volume -" to adjust the call volume. CALL SWITCHING 1. Tap the panel to put the current caller on hold and connect with the incoming call. 2. Long press the touch panel to continue the current call and reject the new call. 3. While holding the call, tap the touch panel to hang up the current caller. Notice: Some of the mobile phone brands and models may differ in operation. For queries contact sales for support. LISTEN TO MUSIC To play Tap the panel to play music. To pause 1. Tap the panel to pause music. 2. Short press the Volume+ button to turn up the volume. 3. Short press the Volume - button to turn down the volume. 4. Long press theVolume + button to play the next song. 5. Long press the Volume - button to play the previous song. Music playback will automatically pause if there is an incoming call. Press the touch panel to answer the call,and long press the touch panel to hang up the call and continue playing music. Notice: Keep the headphone and the phone within the valid range, preferably without obstacles.Otherwise the call and music playback quality may be affected or may disconnect. REGULATORY INFORMATION Before using and operating the device, read and follow the precautions below to ensure that the equipment performs optimally and avoids dangerous or illegal conditions. 1. Do not use this device in dusty, humid, dirty environment or places near magnetic eld to avoid malfunction of the internal circuit of the device. 2. When you listen to music or calls with earbuds, it is recommended to use the minimum volume to avoid hearing damage. Prolonged exposure to high volume might result in permanent hearing damage. 3. Exposure to high volume while driving may distract attention and cause an accident. 4. Do not pack, seal or cover the equipment with towels and other articles, do not use the equipment in closed environment such as boxes and cases. 5. Keep the device away from heat sources or bare re like heaters, microwave ovens, stoves, water heaters,candles or any place with high temperature conditions. 6. Do not use an external heating appliance such as a hair dryer or microwave to dry the device. 7. Do not subject the equipment and its accessories to strong impact or vibration to avoid damaging the equipment and its accessories, resulting in battery explosion or equipment failure. 8. Wipe the device with a clean, dry, soft cloth. Do Not use the device before cleaning and maintenance. 9. Please use the device in 5C~35C, and deposit the device and its accessories in 5C~35C. When the environmental temperature is too high or too low, it may cause device to stop working. When the temperature is lower than 5C, the performance of the battery will be limited. 10. Keep the device and its accessories in a ventilated and cool environment without exposing it to direct sunlight. 11. This device is not a toy and children should use this device under adult supervision. This device and its accessories may contain small parts that should keep away from children. Children may inadvertently damage the device and its accessories, or swallow small parts resulting in suffocation or other hazards. 12. The device is equipped with non-removable built-in rechargeable battery. Do Not replace the battery by yourself. The battery can only be replaced by authorized service center. 13. Do not disassemble or modify the device and accessories without permission, otherwise the device and accessories will not be covered under warranty, please contact the authorized service center when the device malfunction is detected. 14. Do not dispose this device and its accessories as ordinary household waste. Comply with the local laws and regulations dealing with this device and its accessories and support recycling. 15. In medical and health care facilities where the use of wireless devices is prohibited, comply with the regulations of such facilities and turn off the device. 16. Radio waves generated by devices may affect the normal operation of implantable medical devices or personal medical devices, such as pacemakers,cochlear implants, hearing aids, etc. If you use any of these medical devices, consult their manufacturer about the use restrictions of the device. 17. Keep the device at least 15cm away from the implanted medical device such as pacemaker, cochlear implants etc. 18. Use of unauthorized or incompatible power supplies, chargers or batteries may cause re,explosion or other hazards. INFORMATIONAL NOTE:

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.

- English: "

This device complies with Industry Canada licence-exempt RSS standard(s). Operation is subject to the following two conditions:

(1) this device may not cause interference, and

(2) this device must accept any interference, including interference thatmay cause undesired operation of the device."

- French:"

Le prsent appareil est conforme aux CNR d'Industrie Canada applicables aux appareils radio exempts de licence. L'exploitation est autorise aux deux conditions suivantes :

(1) l'appareil nedoit pas produire de brouillage, et

(2) l'utilisateur de l'appareil doit accepter tout brouillage radiolectrique subi, mme si le brouillage est susceptible d'en compromettre le fonctionnement."

Warning: Changes or modications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. Consult the dealer or an experienced radio/TV technician for help. IC Radiation Exposure Statement:

This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment . The device can be used in portable exposure condition without restriction. RF warning statement:

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. TRADEMARKS 1. The Bluetooth word mark and logos are registered trademarks owned by Bluetooth SIG. Inc. and any use of such marks by Shenzhen Grandsun Electronics Co., Ltd. is under license. 2. 233621 word mark and logos are registered trademarks of Shenzhen Grandsun Electronics Co.,Ltd. Reproduction in whole or in part without written permission is prohibited. Other companies and products mentioned herein are trademarks of their respective owners. Made in China. 233621 WARRANTY 1. The device is guaranteed for 12 months from the date of purchase. Repair and maintenance service are free during period. 2. The warranty limitation:

a, Man-made damage. b, Beyond the Warranty period. c, Accessories damage due to improper use and maintenance. d, Disassemble the device without manufacturer authority. 3. Service Information 233621 Website: www.thenumberbrand.com 2023 Shenzhen Grandsun Electronics Co., Ltd. V1

l b a c k c p a m t o n e c o o l g r a y 8 c xxxxxxxxxx FCC ID: 2AN4C-7185 BLUETOOTH NOISE CANCELLATION HEADPHONE Model: TRIP II Manufacturer: Shenzhen Grandsun Electronic Co.,Ltd. xxxxxxxxxx FCC ID: 2AN4C-7185 27.957mm

. 5 4 m m

. 9 1 m m

. 5 4 m m BLUETOOTH NOISE CANCELLATION HEADPHONE Model: TRIP II Manufacturer: Shenzhen Grandsun Electronic Co.,Ltd. 9 1 m m 31.317mm

Shenzhen Grandsun Electronic Co., Ltd. Declaration concerning Antenna Specification It is hereby declared that the product Model No.: Trip II FCC ID : 2AN4C-7185 fulfills the requirement in FCC test relating to the antenna type. The device specified above confirms to the FCC recommendations for internal antenna type(s) described below:

Model No. of antenna: Trip II (EV) Type of antenna:

Gain of the antenna:

Frequency range:

FPC Antenna 2.96 dBi 2.4G: 2400-2500MHz The mounting of the antenna is fixed to the radio module and no other antenna should be used. Shenzhen Grandsun Electronic Co., Ltd. East Park,Gaoqiao Industry Zone,Pingdi Street, Longgang, Shenzhen, China Shenzhen

China Date: 3/9/2023 Company name:

Address:

City:

ZIP / Postal code:

Country:

Place:

Signature:

version01

Shenzhen Grandsun Electronic Co.,Ltd ANTENNA PASSIVE TEST REPORT

(OnHead) Applicant: Grandsun ProductName: TripII ModelNo.(EUT): TripII(EV) DateofReceipt: 20220922 DateofTest: 20220922 Testedby: Max.Chen Madeby: Max.Chen Checkedby: Noki.Ho Shenzhen Grandsun Electronic Co.,Ltd RevisionRecord REVISIONHISTORY Version V0.1 Date 20170520 Reasonforchange Firstedition Shenzhen Grandsun Electronic Co.,Ltd CONTENTS 1. GENERALINFORMATION.4 1.1 TestLocation..4 1.2 Testitemandresults..4 1.3 LaboratoryEnvironment.4 1.4 TestEquipmentsList.4 1.5 MeasurementUncertainty.4 2.OTAMEASUREMENTSSYSTEMCONFIGURATION..5 3.TESTRESULTS6 3.1Efficiency&Gain..6 3.22Dantennapattern.6 3.33Dantennapattern.7 3.4Passivepattern..8 4.APPENDIXATHEEUTANDTESTCONFIGURATION..10 Shenzhen Grandsun Electronic Co.,Ltd 1. GENERALINFORMATION 1.1 TestLocation Company Shenzhen Grandsun Electronics Co.,Ltd. Address Gaoqiao Industry Zone,Pingdi Town,Longgang District,Shenzhen,China Post code 518117 Telephone +86-755-89234568 1.2 Testitemandresults Testdetaileditems/sectionasbelow NO 1 2 3 1.3 LaboratoryEnvironment Items Gain Efficiency 2D/3Dpattern Temperature Relativehumidity Shieldeffect Groundresistance Min.=18 Max.=24 Min.=30% Max.=70 0.510GHZ 100dB 0.4 1.4 TestEquipmentsList EquipmentName NetworkAnalyzer ModelNO. E5071C Chamber AMS8923195 ETSLINDGERN 1.5 MeasurementUncertainty Manufacture Calibration ValidPeriod Keysight 20220420 20220420 Oneyear Oneyear Item Gain Efficiency 2.4GHZ2.5GHZ(dB) 0.3 0.3 Shenzhen Grandsun Electronic Co.,Ltd 2. OTAMEASUREMENTSSYSTEMCONFIGURATION The system is designed for fullycompliant radiated wireless antenna measurements over the frequency range from 700 MHz to 6 GHz with a 1.95meter path length. The system includes a multiantennaarraywithtwentythree(23)dualpolarizedmeasurementantennasspacedevery15, Thechambersizeis5m*5m*5m OTAmeasurementSystemConfiguration NotePhi(Theturntable)isfrom0~180,Theta(thering,multipleantennas)isfrom165~165, RotatetheAUTandmultiantennaarrayrecordthedata,thestepofrotationis15degree. Shenzhen Grandsun Electronic Co.,Ltd 3. TESTRESULTS 3.1 Efficiency&Gain FrequencyMhz EfficiencydB Efficiency%

GaindBi 2400 2410 2420 2430 2440 2450 2460 2470 2480 2490 2500 2.86 2.82 2.82 2.93 2.83 2.72 2.76 2.70 2.72 2.73 2.75 51.7 52.2 52.1 50.8 52.0 53.3 52.8 53.6 53.3 53.3 53.0 2.96 2.90 2.91 2.84 2.86 2.86 2.77 2.83 2.75 2.74 2.69 3.2 2DantennapatternPhi=90 Shenzhen Grandsun Electronic Co.,Ltd 3.3 3Dantennapattern Frequency=2450MHz Frequency=2450MHz Frequency=2450MHz Shenzhen Grandsun Electronic Co.,Ltd Frequency=2450MHz 3.4 Passivepattern 3.4.1VSWR Shenzhen Grandsun Electronic Co.,Ltd 3.4.2Returnloss 3.4.3Impedance Shenzhen Grandsun Electronic Co.,Ltd 4.APPENDIXATHEEUTANDTESTCONFIGURATION Z Y X

Shenzhen Grandsun Electronic Co., Ltd. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 U.S. Agent Designation 3/9/23

[Shenzhen Grandsun Electronic Co., Ltd.] acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: [2AN4C-7185]):

Name and company of U.S. agent: Cleer, Inc. Physical U.S. address of agent: 11440 West Bernardo Court, Suite 274 San Diego, CA 92127 FRN of U.S. agent: 0033411695 Email address of U.S. agent: vicky.fan@cleeraudio.com

[Cleer, Inc.] acknowledges their obligation to accept service of process on behalf of [Shenzhen Grandsun Electronic Co., Ltd.].

[Shenzhen Grandsun Electronic Co., Ltd.] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under 2.911(d)(7). Sincerely, Signature

[Molly Wei]

Shenzhen Grandsun Electronic Co., Ltd. 3 0 V

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[Vicky]

[Cleer, Inc.]

The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC.

Shenzhen Grandsun Electronic Co., Ltd. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 3/9/23 To whom it may concern:

We, [Shenzhen Grandsun Electronic Co., Ltd.], hereby certify that the equipment for which authorization is sought (FCC ID: [2AN4C-7185]) is not covered equipment prohibited from receiving an equipment authorization pursuant to 2.903 of the FCC rules. We also certify that, as of the date of the filing of the application, we are not identified on the Covered List (https://www.fcc.gov/supplychain/coveredlist) as an entity producing covered equipment. By signing this form, we confirm the above and that we are aware of the application requirements listed under 2.911(b) and (d)(5) and (6). Sincerely, 2 0 V

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[Molly Wei]

Shenzhen Grandsun Electronic Co., Ltd. The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01.