Bluetooth version:5.3
Support protocol:A2DP/HFP/SPP/HID/PBAP
Bluetooth range:10-15m
Battery capacity:50mA
Charging box battery capacity:400mAh
Charging time:About 1 h
Call&playing time:About 5 h
Speaker size:10mm
MIC Sensitivity: -42dB±3dB
Frequency response:40Hz-20KHz
Impedance:32Ω
Sensitivity:106±3dB
Charging specification:5V/1A
Operating voltage:3.7V-4.2V
Packaging what’s in the box:
2 * Wireless Bluetooth Earphone
1 * Charging box
1 * type-c charging cable
1 * User manual
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