Bluetooth earphone S-103

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Version :BT4.2+EDR
Supports:  HSP/HFP/A2D/AVRCP
Microphone Sensitive:-42dBm
Battery: 50mAh Lithium
Impedance:32Ω 
Charging time: 1H
Call Time: About 2hours
Play Time: About 2-4hours
Standby Time: 100H
Size:12.8*73.4*7.8mm
Weight: 9g


Painless Hanging Design
Keeping Danger Away
High Definition Music
Hands-free with Mic
Earhook hanging design, no need to put into ear
avoid ear disease caused by sweat in ears when excercising.
Light-weight design, comfortable to wear