Bluetooth 5.0 Motorcycle Hmet HeadsetFeatures 1. Qualcomm Bluetooth voice chip version 5.0 2. Intligent DSP audio, CVC 12th generation noise reduction processing, 16K voice transmission 3D stereo voice 3. One-key networking, 2KM distance group intercom (ideal distance) 4. 6 people full-duplex intercom 5. Second connection pairing speed; 6. Music sharing function, music EQ function, FM radio 7. Multi-language prompt tone operation 8. Mobile phone, MP3, GPS voice Bluetooth transfer 9. Voice wake up 10. Automatically answer, support redial of the last call number 11. Smart microphone pickup 12. Simultaneous Bluetooth connection to 2 other devices (mobile phone, MP3, GPS) 13. Support voice communication at a speed of 120 km/h 14. 40mm tuning speaker diaphragm, shocking music 15. 900mAh battery capacity, continuous 28H intercom/phone, 33H listening to music, 500H standby 16. Support pairing intercom with third-party Bluetooth walkie-talkiesSpecification 1. Working distance: two-person intercom 1000 meters, group intercom 2000 meters (under ideal environment) 2. Working frequency: 2.4GHz 3. Bluetooth version: Bluetooth 5.0 4. Support Bluetooth protocol: A2DP and AVRCP 5. Operating range: mobile phones up to 10 meters 6. Battery type: 900mAh rechargeable lithium polymer 7. Standby time: up to 500 hours 8. Talk time: up to 28 hours for mobile phone talk/intercom; up to 33 hours for music 9. Charging time: about 2 hours 10. Power adapter: DC 5V 1A (optional) 11. Charging interface: TYPE-C interface 12. Working temperature: 41F-104F (5-40C) 13. Storage temperature: -4F-122F (-20C~50C)