FCC ID: 2ASWH-NC2 Bluetooth TWS ANC Earbuds

TOZO Thanks for choosing our products Specifications With fashionable appearance and functions,TWS ANC earbuds allowing you to experience quiet wireless communication and listening to music in a noisy environment, making them a good choice for you to work, go out and drive. Model: NC2 Earbuds Battery Capacity: 50mAh*2 The package contains Linner NC2 TWS ANC earbuds, a charging box, 6 sizes of ear buds (the M size ear buds are pre-installed on the earbuds), USB-C charging cable, instructions, and warranty card. Overview and Packing List Earbuds Function Diagram Truly Wireless Active Noise Cancellation Technology With the technology of Earbuds, you can select compatible communication devices without using cables. Earbuds does not require keeping the phone facing earbuds directly, but the maximum distance between them should not exceed 10 meters (about 30 feet). Using active noise cancellation technology, the microphones collect the noise, then the acoustic engineer calculates and designs a series of software and hardware algorithms, the circuit generates a reverse sound wave that is opposite to the noise and emits it through the horn. Finally, the noise and the reverse sound wave cancel each other. ANC Noise Reduction: 35dB Charging Box Battery Capacity: 500mAh Bluetooth Version: 5.2 Charging Time of Earphone: 1.5H Impedance: 32 Charging Time of Charging Box: 2.5H Frequency Range: 20Hz~20,000Hz Play Music Time (ANC OFF): 8H Charging Port: Type-C Play Music Time (ANC ON): 6H XS XL XXL TOZO Warranty Card Instructions NC2 TWS ANC Earbuds ANC radio hole Touch area Indicator light Infrared in-ear detection Anterior cavity vent hole Earbuds Calling MIC Charging pin Instructions NC2 TWS ANC Earbuds Touch Control Prompt Wearing Earbuds Auto Power ON/OFF Earbuds Pairing In order to convenience operation, the pairing between left and right earbuds has been completed before leaving from factory. When the cover is opened, earbuds are turned on automatically, the left and right earbuds are interconnected, and enter into connection or pairing status. Please touch the touch sensitive area The sensing area is located in the earbuds handles upper part. In order to obtain a better noise cancellation effect, the wearing angle can be adjusted appropriately after wearing, so that the earbuds is slightly pushed into the ear canal. Choose the Right Earbuds Appropriate sizes of ear buds are essential to noise cancellation experience, sound quality and comfort. Please try on different sizes of ear buds. Please note that you may need to use different sizes of ear buds for your left and right ears. XS XL XXL Open the cover of the charging box, the earbuds will power on automatically. Auto power on Auto power off Put the earbuds into the charging box, close the cover, and the earbuds will power off automatically. Bluetooth Pairing Open the charging box, keep the earbuds in the charging box, hold the charging box button 3s to force the earbuds to enter into pairing state. Please note that this operation will not clear the previous Bluetooth pairing record. After the pairing of the left and right earbuds, open the Bluetooth search in mobile phone, and connect the device. Then the mobile phone displays the pairing name as TOZO-NC2. When using again, double earbuds will pair with each other and return to the last pairing device automatically. TOZO-NC2 For single earbuds use, pick up one side and keep the other side closed in the charging box. After the earbuds which is taken out failed to reconnect to TWS, it will enter the reconnecting mode after 2 seconds,and pairing coexistence with other device. After connecting the phone, take out another earbuds and enter binaural mode automatically. If stay in the pairing or reconnecting state for 5 minutes in ANC or Transparency mode, earbuds enter the standby mode automatically. If stay in the pairing or reconnecting state for 5 minutes in normal mode, earphones turn off automatically. NOTE: While the left and right earbuds are disconnected, put the earbuds in the charging box

(open charging box) , hold charging box buttons for 15 seconds to pair the left and right earbuds. Bluetooth Lost Turn off mobile phones Bluetooth, earbuds will enter the pairing mode and do not connect back.

( If stay in the pairing or reconnecting state for 5 minutes in ANC or Transparency mode, earbuds enter the standby mode automatically. If stay in the pairing or reconnecting state for 5 minutes in normal mode, earbuds turn off automatically.) If the connection range is exceeded, it will enter the back-connection mode, and can pair with other devices at the same time. ( If stay in the pairing or reconnecting state for 5 minutes in ANC or Transparency mode, earbuds enter the standby mode automatically. If stay in the pairing or reconnecting state for 5 minutes in normal mode, earbuds turn off automatically.) Light Sensor Function Music pause and play:

Using double earbuds to listen to music, pause the music when one earbuds is out, and back to play automatically when re-wear. ANC mode :

Earbuds will enter the normal mode automatically when using single earbuds and automatically resume previous mode when useing double earbuds;

When using double earbuds and put one earbuds back into charging box, earbuds automatically resume previous mode when re-wear double earbuds. Touch Operation

(Operation in wearing of double earbuds) Touch Operation

(Operation in wearing one earbuds) Calling Control Reset Double tap the L sensing area (L sensing area abbreviated as L), then skip to the previous song Tap the R sensing area (R sensing area abbreviated as R) to play or pause music Double tap the R to skip to the next song Double tap the L sensing area (L sensing area abbreviated as L), then skip to the previous song Tap the L or R sensing area to play or pause music Double tap the R to skip to the next song Long press the L to decrease the volume

(Release holding when hear minimum volume voice prompt) ANC Control Long press R to increase the volume

(Release holding when hear maximum volume voice prompt) Tap theL to switch between Transparency mode / ANC mode. The ANC function are not available when using single earbuds. Voice Assistant Tap L or R sensing area to answer the call or it will answer the call automatically Long press L or R for 2 seconds the sensing area to hang up the call Long press L or R for 2 seconds the sensing area to reject the call Open the charging box and keep the earbuds in box. Long press the button of charging box for 10 seconds until the charging box LED lights flash 5 times at the same time, the earbuds will restart automatically after clearing the pairing, then enter the pairing status with mobile phone. Open the charging box and keep the earbuds in box. Long press the button of charging box for 3 seconds until the first and fourth charging box LED lights flash 3 times at the same time, the earbuds bluetooth will disconnected, then enter the pairing status with mobile phone. Low Battery Alarm When the battery power is low, it will be reminded once every 2 minutes until the battery power is run out and turn off When using single or double earbuds, triple tap L or R then leave hold after hearing BEEP to wake up voice assistant. Earbuds Charging Put earbuds into the charging box to charge automatically Display of Charging Box Power Click / double clip the button of the charging box: Indicators displays the battery level of the charging box for 3S ;

Opening the charging box without earbuds in charging box, Indicators displays the battery level of the charging box for 3SOpening the charging box with earbuds in charging box, Indicators displays the battery level of the charging box for 5S. Press the charging box button Observe the indicators Indicator Status Warning Tone Earphones Mode Indicator Status Power ON White light on for 1 second Power OFF White light flashes 3 times, then light off Bluetooth pairing

(mobile phone / other device) Pairing status: white light flashes quickly (flashing once in 0.5 seconds) Connection successfully: light goes off Standby mode: white light flashes twice every 5 seconds Incoming call The indicator light flashes every 2 seconds Earbuds charging Charging box charging The earbuds are automatically charged when put into the charging case When charging, the last lights flashing, all lights are always on after fully charged. Bluetooth pairing

(mobile phone / other device) Connected (Broadcast in double earphones) Pairing (Broadcast in double earphones) Power ON Power OFF Pairing status Bluetooth lost Volume Adjustment Incoming call Power ON Power OFF Disconnected, pairing BEEP Android system: Incoming call IOS system: Ringtone Warning Tone Call rejected Low Battery Alarm Call rejected Battery Low NOTEOur product TWS ANC Earbuds, NC2, TOZO doesn't have enough space to print the product name, model, trademark, MIC ID and Logo on the product itself, thus we locate them on user manual and product packaging 210-152240 FCC ID: 2ASWH-NC2 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 Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. 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.

FCC ID and TELEC Label Location The product does not have enough space to place the label, so the label is reflected in the user manual and package, as below:

The MIC Logo height is 5mm*5mm.

26th Floor, Building 1, COFCO Innovatino R&D Center, 69 District, Bao'anDistrict, Shenzhen Worgo Technology Limited Shenzhen, China Agent Authorization Company: Shenzhen Worgo Technology Limited Address: 26th Floor, Building 1, COFCO Innovatino R&D Center, 69 District, Bao'anDistrict, Shenzhen, China Product Name: TWS ANC Earbuds Model Number(s): NC2 Product Description: Bluetooth TWS ANC Earbuds We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues concerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Signature:

Date: Nov. 26, 2020 Name:

Lin Qi Title:

General Manager Company: Shenzhen Worgo Technology Limited

26th Floor, Building 1, COFCO Innovatino R&D Center, 69 District, Bao'anDistrict, Shenzhen, China Shenzhen Worgo Technology Limited Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Date: Nov. 26, 2020 Subject; Request for Confidentiality FCC ID: 2ASWH-NC2 To Whom It May Concern, Pursuant to the provisions of the Commissions rules Title 47 Sections 0.457 and 0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Operational Description Parts List Tune-up Procedure External Photos Test Setup Photos Internal Photos User Manual In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR 2.803 and the importation rules in Title 47 CFR 2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s);

OR For 45 days, pursuant to Public Notice DA 04-1705. For 180 days pursuant to KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature:

Name: Lin Qi Title: Manager