Earsonic NB100 - Wireless neckband headset with magnetic switch control

- Bluetooth Version: Version 5.2
- Waterproof Level : IPX4
- Speaker Drivers : 12mm
- Charging time: 1.5Hour
- Bluetooth Frequency : 2.402GHZ-20.480GHz
- Playing Time : about 40Hour
- Bluetooth transmission distance : 10m
- Charging interface: TYPE-C
- Battery capacity: 360mAh
- Charging voltage: Dc5v
- Speaker output power : 3mW
- Receiving sensitivity: 94dbM