Portable Wireless Bluetooth Earphone SS23

Bluetooth V4.1 version
Bluetooth profile:A2DP,AVRCP,HSP,HFP
Bluetooth frequency: 80Hz~20KHz
Transmission range:10M
Frequency: 2.4GHz-2.48GHz
Lithium battery: 3.7V/75mAh
Conversation time: about 8 hours
Music time: about 6 hours
Standby time:Up to180 hours
Charge time: 1.5 hours
With volume V+/- button,
Support Chinese and English language,
in-call number voice tone.
Support songs forward& backward switch, and volume adjust


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