1. This is a bluetooth walkie-talkie, no need to connect to a mobile phone, 2 hosts can be directly paired for intercom
2. Bluetooth solution: CSR
3. Support A2DP and AVRCP
4. Frequency: 2.4GHZ
5. Power amplifier: MAX97220A
6. Battery capacity: 450mAh
7. Charging voltage: 5V
8. Charging current: 160ma
9. Mobile phone connection distance: 50 meters
10. Intercom distance: 800-1000 meters
11. Bluetooth pairing name: Intercom
12. Product weight: 46 grams
13. Product size: 8.5x5x2 cm

Features:
1. It can achieve direct full-duplex intercom between the Bluetooth helmet headset and the Bluetooth helmet headset up to 800-1000 meters
2. Can make and receive calls, reject calls and hang up
3. Automatically answer calls
4. FM radio function
5. Support voice switching
6. Use A2DP to enjoy music transferred from your mobile phone or connect to GPS
7. You can control the previous song, next song, play, and pause of mobile phone music through AVRCP
8. It can realize automatic switching between Bluetooth mobile phone calls, intercom calls, stereo music and FM radio
9. With DSP noise cancellation and wind sound processing to ensure clear voice quality during high-speed operation
10. The waterproof and sunscreen design of the button panel is durable. 11. Support last code redial
12. Connect MP3, GPS, mobile phone, walkie-talkie, etc. via audio cable