详情
*Bluetooth mode: V3.0+EDR
*surpporting:Headset, Hands-stereo
*holding time:3 to 4 hours
*stand-by time:aboat**0 hours
valid distance:*0 meters（double microphone without noise）
*charging time：2 hours
*charging voltage：direct-current 5V
*handpiece size：*5**5*8 mm
*handpiece weight：5.2g
colors：black （hull color and logo are customised
imported original ISSC chip(quality assurance is for free for
longtime )
Product features:Dual microphones call clarity,Low-power technology
with calls to answer and hung up,refused to answer,voice
ditailing,tail number redial features.
