FCC ID: 2AMBNE6850 Hearing protection with blue tooth

E6850 CONNECT WIRELESS HEARING PROTECTOR featuring Bluetooth wireless technology Basic Operation Charging the Headset:

Your hearing protector has been shipped to you with only a partial charge on its integrated lithium ion battery pack. To charge the hearing protector, insert the supplied Type-C connector cable into the Type-C jack located on the bottom of the right cup of the hearing protector. Connect the other end of the cable to a suitable USB power source such as a computer or third party certified (UL, Intertek, etc.) AC to USB wall adapter. The LED will be blink blue while charging and change to solid blue when complete. Fitting the Headset:

Fully extend sliders and place cups over ears. Then, tighten headband using sliders. Press and hold power button for 2 seconds to power ON/OFF headset. Power Low Battery Warning:

Hearing protector will also provide a Battery Low warning by bleeping voice when battery voltage is low. Auto Shut-Off:

5 minutes after either Bluetooth or the audio input is disconnected, the hearing protector will automatically power down. After auto shut-off, press and hold the ON/OFF button for 3 seconds to turn back on. Bluetooth Operation Pairing the Device:

Once powered on, the LED will be blink blue. Make sure your Bluetooth enabled device is scanning/searching for devices. Check your device to make sure it has discovered E6850 Select E6850 to connect to the hearing protector. Once connected successfully, the LED on the right cup will turn blue. Your Bluetooth audio volume will be controlled by your device. The next time you power up, your hearing protector will automatically connect to your device Forward/Back, Volume control, Pause/Play To pause or play audio on your device, you can single press the POWER button . To advance tracks, press the > button. Press < to select the previous track. Press the V button to adjust the volume. Some devices may not be compatible with this feature and will have to be operated using their native controls. Note: Please adjust the volume of the phone too When connecting if you think it is too loud or too low Incoming Calls In Bluetooth Mode, incoming phone calls will cause the music to be muted and you will hear your phones ringtone until the call has ended. To answer an incoming call, press the POWER button once. To disconnect from a call, press the button once more. To reject a call and return to Bluetooth audio, press and hold the POWER button. FCC Caution 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. Any Changes or modifications 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. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction.

Joyhoom Technologies Inc 2022.08.04 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern:

We, the undersigned, hereby authorize Shenzhen BCTC Testing Co., Ltd to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Clients signature:

Clients name / title : Ryan Yee /Manager Contact information / address: 4F, Building 1. No. 18. Sujiaba, West-Lake Technology Park, West-Lake District, Hangzhou City, China

Joyhoom Technologies Inc 2022.08.04 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: Hearing protection with blue tooth MODEL : E6850 FCC ID: 2AMBNE6850 To Whom It May Concern:

This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the

- Block Diagram

- Schematics

- Operational Description required to be submitted with this application be permanently withheld from public review. The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. Please contact me if there is any information you may need. Sincerely, Clients signature:

Clients name / title : Ryan Yee /Manager Contact information / address: 4F, Building 1. No. 18. Sujiaba, West-Lake Technology Park, West-Lake District, Hangzhou City, China