MONSTER XKT11 Bluetooth Earphone (Silver)

Product type - TWS Bluetooth headset 
Bluetooth version  - Bluetooth 5.2 
Carrier frequency  - 2.4GHz-2.480GHz 
Bluetooth transmission distance  - 8m-10M 
Frequency range  - 20Hz-20KHz 
Speaker impedance  - 32Ω 
Speaker sensitivity  - 106dB±3dB 
Charging port  - Type-c 
Charging time about  - 1.5 hours 
Headphone battery capacity - 35mAH*2