Xiaomi Redmi Airdots TWS Wireless Bluetooth Earphone Stereo bass Mi Air Dots Bluetooth 5.0 With Mic Handsfree

Model Number: Airdots
BT;Version: BT5.0
Transmitting Distance: 10m/33ft
BT Protocol: HFP, A2DP, HSP, AVCRP
Frequency Range: 20-20000Hz
Sensitivity: 98dB
Impedance: 16Ω
Charging Box Capacity: 3.7V ;280mAh
Earphone Battery Capacity: 2 x;3.7V;;45mAh
Music Play Time: about 4 hours (depends on music volume)
Charging Time: about 1.5 hours for earphones, 2 hours for charging box
Color: Black