Features：
Bluetooth version: 5.3
Supported protocols: HSP, HFP, A2DP, AVRCP
Battery capacity of earbuds: 35mAh*2 (no protection board but protection IC)
Battery capacity of charging case: 230mAh (with protection board)
Charging time: 1.0h
Call time: 4h
Play time: 5.5h
Standby time: 200h
Horn diameter: 13mm
Sensitivity: 104dBm
Impedance: 16Ω
Maximum transmission distance: 10m
Voice prompt: supported
Multi-point connection: unsupported
Wearing method: semi-in-ear
User manual: Chinese and English
Size: 53.76 * 47.33 * 25.42mm
Interface: Type-C
Waterproof rate: IPX6 (limited to headphones only)
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