All Metal Shell
Bluetooth Headset
Hands-free Call
Specs
Bluetooth
4.1
Protocols
support
A2DP, AVRCP,  HFP,  HSP
Features
denoise
CVC
Standby
Music
2 hours
Call
2 hours
Stand-by
180 hours
Battery
Charging
1.5 hours
Votage
4.2V/25mA
type
Lithium ion battery(3.7V/35mAh)
Speaker
Unit
8mm Moving Coil
Frequency
Response range
20Hz-20kHz
Dimension
Physical Dimension
18mm * 16.5mm * 35.8mm
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