Bluetooth 5.1 Multi-Person Intercom Cycling Gelmet Bluetooth Headset

Features:
1. Intelligent DSP audio processing, CVC 12th generation noise reduction processing, 16K voice bandwidth transmission rate
2. One-key networking group intercom, 2KM distance group intercom (ideal distance);
3. 6-person full real-time duplex intercom;
4. Second connection pairing speed;
5. Music sharing function;
6. FM radio;
7. Multi-language prompt tone operation;
8. Mobile phone, MP3, GPS voice Bluetooth transfer;
9. Voice wake-up;
10. Automatic answering, support last dial number redial;
11. Smart microphone pickup;
12. Simultaneous Bluetooth connection of 2 other devices (mobile phone, MP3, GPS);
13. Support voice communication at a speed of 120 kilometers per hour;
14. 40mm tuned speaker diaphragm, shocking music;
15. IP65 waterproof;
16. Support pairing with third-party Bluetooth intercoms for intercom;

Product parameters:
1. Working distance: 1000 meters for two-person intercom, 2000 meters for group intercom (under ideal conditions)
2. Working frequency: 2.4GHz
3. Bluetooth version: 5.1
4. Support Bluetooth protocols: A2DP and AVRCP
5. Operating range: up to 10 meters for mobile phones
6. Battery type: 900mAh rechargeable lithium polymer
7. Standby time: up to 500 hours
8. Talk time: up to 28 hours for mobile phone calls/intercoms; up to 33 hours for music
9. Charging time: about 2 hours
10. Charging interface: TYPE-C interface
11. Waterproof level: IP65
12. Working temperature: 41 to 104 degrees Fahrenheit (5 to 40 degrees Celsius)
13. Storage temperature: -4 to 122 degrees Fahrenheit (-20 to 50 degrees Celsius)

Precautions
1. The host will automatically shut down after 30 minutes when not connected to any device. If the headset is not used for a month or more, please charge the headset once every two months to protect the lithium battery of the headset;
2. The applicable storage temperature of this product is -20 to 50 degrees Celsius. Do not store it in an environment with too high or too low temperature, otherwise it will affect the service life of the product;
3. Do not expose this product to open flames to avoid explosion;
4. The host device cannot be turned on by itself to avoid short circuit of the motherboard or damage to the battery, which will affect normal use. Be sure to pay attention.
5. USB emergency shutdown: If the Bluetooth intercom is directly plugged into the USB charging mode in any working mode, it will be shut down in an emergency. The USB emergency shutdown will not save the recorded data. It is recommended that users do not use it in an emergency.

Packing list:
-Bluetooth headset x 1
-Headphone & microphone x 1
-Adhesive clip x 1
-Adhesive stickers x 2
-Clip x 1
-Speaker adhesive stickers x 4
-Data cable x 1
-Screwdriver x 1
-Instruction manual x 1