Product parameters:

1. Bluetooth version: V5.0+CSR(updated,a little different with the manual)
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/500mA
6.Frequency:2.402 Ghz-2.480 Ghz.
7.Bluetooth Pairing Distance:20-30 meters(Depending on device)
8.Playback time:15 hours.
9.Charging time:<=1 hours.
10.Standby time:<=240 hours.
11.Connection name:BT12
12.Charging Port:Micro USB 5 Pin.