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SI-691W

SI-691W

SI-691W
Product name : SI-691W
Item :
Details :

True wireless Stereo Earphone

            Bluetooth 5.0

Colors Black/White
Support system Android/Windows/IOS
Earphone battery 75mAh
Storage box battery 1000mAh
Bluetooth Version v5.0
BT Transmission Range 10M
Music Playing Time 7 - 8 Hours
Working frequency(HZ) 20Hz - 20KHz

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