*Longer, Larger Range, Fast Pairing, and Minimal Interference *Built-in rechargeable battery *CE ROHS FCC *long standby time DESCRIPTION:Perfect fit, ergonomics and comfort.Stylish patent design,Stereo ModeCool fucntion for music enjoyEasy ControlsLong-Lasting ChargeBuilt-in rechargeable batteryLonger, Larger Range, Fast Pairing, and Minimal InterferenceSPECIFICATION: Bluetooth VersionV2.1 + ...