... Lightweight,comfortable design for all-day listening.5.Compatible with bluetooth enabled devices, such as IPHONE,IPAD,most ... Transfer Distance:33FT/10M11.Frequency:2.4GHz12.Technology:Bluetooth V3.0+EDR13.Easily charge via USB port14.Play ... Before you use this Bluetooth headset, please charge the battery of headset fullyA Switching on / off headset FunctionOperationLED indicatorIndication toneSwitch on ...