Sport back hang earphone

This type of headphone is more suitable for wearing when exercising. The design of the neckband ensures that the earbuds won't fall to the ground even if they come off during exercise. All you need to do is pick them up from your

BT102

Bluetooth version: V5.3 Battery capacity :140mah Play time : 8 hours Talk time : 10 hours Standby : above 1month Charging socket : Micro US B 5 V/1A Charging rate :3.7V Distance :above 10m Driver unit: dia 10 m m Impedance: 32 Ohm±15% Frequency Response:20-20Khz Sensitivity :-42 d B +/- 5d b

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BS831

Specifications : Air Conduction Earphone Bluetooth Version : 5.3V Driver Unit : 15.4mm Hi-fi stereo speaker Charging time : 1.5h Standby time : 110h Playback time : Up to 7 hours Frequency Response : 20-20KHz Battery Capacity : 90mAh Bluetooth Connection Distance : Approx.15m

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