1. 4 people Full duplex Referee intercom
2. up to 1.2 km talking distance,
3. Automatic and safe receiving of mobile phone calls after 3 seconds without pressing any key button .riding the motorcycle as usual.
4. lithium battery with capacity up to 850mA;
5. National Level 5 waterproof standard;
6. Bluetooth 3.0
7. Working speed above 120km/h;
8. Automatic and safe receiving of mobile phone calls;
9. Master control Bluetooth CSR BC5 scheme available;
10.Advanced A2DP & EDR Bluetooth function available;
11. DSP noise reduction function
12. Standby 240h;
13. Continuous call or music playing above 8h;
14. Charging time around 3h;

Package include:

4 x FBIM intercom Receiver
4 x Referee Headset
4 x Armband
4 x USB Charging cable(The Charger is not included)
4 x Manual(English)
4 x Gift Box

Power requirements:5V 1A

The FBIM intercom will be sent by USPS .time:8-15 days