Wireless Bluetooth connection To earpiece Max 60cm distance
Set 30dBm to 128dBm control MP3 on your phone Bluetooth volume.
Range Bluetooth To cellphone <10 m
Voice dialing available
Battery life 3-5 hours
Standby 72 hours
Build-in battery 480mAH
SN 0000 or 1111
Bluetooth neck loop must be worn
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