Features:

-Using the latest CSR 5.0+EDR Bluetooth technology, superior signal transmission, ultra-low power consumption, all Bluetooth devices.
-Automatic answering function, switchable manual answering phone function.
-Safe and fast
-Built-in high quality anti-interference microphone It can effectively realize hands-free answering and hang up calls.
-High fidelity sound , support last song or next song function, volume addition and subtraction, playback pause, automatic callback and other functions, easy to operate.

Parameters:

1. Bluetooth version: V5.0+EDR
2. Standby: 120Hours
3. Transmission distance: 10M (transmission distance varies depending on environmental factors and mobile phone Bluetooth devices)
4. MIC distance: ≤ 1 meter
5. Lithium battery: 3.7V/1000mA
6.Frequency:2.402 Ghz-2.480 Ghz.
7.Bluetooth Pairing Distance:20-30 meters(Depending on device)
8.Playback time:30 hours.
9.Charging time:<=1 hours.
10.Standby time:<=360 hours.

Notice:

This is only a helmet headset, but the sound quality is clear, not a intercom, if you mind, please don't buy it, thank you for your understanding!