T9S-V3 Riding motorcycle helmet headphones Multiple calls

Main features.
Main Functions: 1.Support 3 headset pairing, two to two switching; distance up to 1200m 2.Bluetooth connection to phone, phone music function and other operations.
3. Switch between music, intercom and phone functions.
4. DSP noise reduction function, echo cancellation and noise suppression.
5. Waterproof grade: IP67. 6. Built-in FM radio function. 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 30M; 2. Bluetooth: 3.0V, CSR BC05 chipset 3. Transmission range (Hz): 2.4 GHz
4. Sensitivity: - 83dBm 5. Built-in 3.7V, 800mAh Li-ion battery, low power consumption voice prompts.
6. Standby time: 350 hours
7. Talking time: 15 hours
8. Charging time: 2 hours
9. Profile support: A2DP + EDR
10. Support NFC: No
11. Support Siri: Yes
12. Finish: rubberized oil painting
15. Main Material: ABS
16. Size: 90*45*20mm
18. Weight: 55g
19. Certification: CE, ROHS, TELEC, BQB 

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