Uiisii B12 Bluetooth Earphone Unboxing.

item no : B12 Bluetooth/Sport Earphone
bluetooth version : 5.0
Transmission range : About 10m
Sensitivity : 103_+3dB
Charging time : About 1.5h
Speaker size : 12mm
Frequency range : 20-20000Hz
Play time : About 6h
Inpedance : 32
Input : 5v ------ 2.1A
Battery Capacity : 73mah
Price : 990tk in Bangladesh.
Parches by Evaly.com
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