V3 PLUS(2-man intercom) Riding motorcycle helmet headphones Multiple calls

Main features.
Main features: 1. Support 3 headset pairing, two-to-two switching, 2 people at the same time intercom; distance up to 1200m, can realize the motorcycle front and rear seat, or motorcycle direct full-duplex call between the call distance can be up to 1200 meters (depending on the test environment)
2. Bluetooth connecting phone, phone music function and other operations.
3. Switch between music, intercom and telephone functions. 4.
4. DSP noise reduction function, echo cancellation and noise suppression.
5. Waterproof rating: IP67. 
6. Built-in FM radio function, you can conveniently store the playback of favorite radio stations.
7. Support pairing with other brand Bluetooth intercom and ordinary cell phone Bluetooth headset. 
8. Support connecting ordinary radio PTT control intercom via adapter and K cable; and hybrid function.
9. Press the key to enter the factory self-test mode, you can test the function of the key. 
10. Support software upgrade, easy to customize

Product Parameters:
1. Operating range: maximum 10M; 2. Bluetooth: CSR BC05, support HSP HFP, AVRCP, AGHSP, Private Intercom 3. Transmission range (Hz): 2.4 GHz
4.Sensitivity: -83dBm 5.Built-in 3.7V, 650mA Li-ion battery, notification of battery level and low battery notification.
6.Standby time: 350 hours
7.Talking time: 12 hours
8.Charging time: 2 hours
9. Profile Support: A2DP + EDR
10. Siri support: Yes
11. Finish: rubberized oil painting
12. Operating temperature: -20 ~ 45 ℃
13. Main Material: ABS
14. Size: 85*42*23mm
15. Weight: 47.50g
16. Certification: CE, ROHS, TELEC, FCC

Packing list: 1 Bluetooth host
1 x Stereo Headset
1 USB charging cable: 2 helmet clips (screw clips + velcro clips)
2 microphones (hard and soft microphone)
1 user manual