Impedance
16 Ohm
Speaker diameter
6 mm
Sensitivity
101 dB (1 kHz)
Frequency range
20–20,000 Hz
Maximum power input
5 mW
Driver type
Dynamic
Acoustic system
Open
Bluetooth version
5.0
Maximum range
Up to 10m
Bluetooth profiles
A2DP
AVRCP
HFP
Microphone
Built-in microphone
Water resistance
IPX4
Music play time
6 +12  hr
Battery type
Lithium Polymer (built-in)
Battery Capacity Earbud: 55 mAh
Charging Case: 
350 mAh
Charging Time 2 hr
Dimensions
4.57cm x 5.7cm x 3.1cm
Weight
0.037  kg

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