KT008 Stereo bluetooth headset KT008 Black and white are available Better power saving Better conversation quality Fashionable clip earplug design , comfortable to wear Bluetooth specifition : 1.2 version Supporting bluetooth setting :headphones and handfree receiver Frequency : 2.4GHZ Charge time : 2-3 hours Talk time : 8 hours Music play time : 6 hours Standby time : 160 hours Valid scope : 8-15m