GMYLE(R) Dual Antenna Bluetooth V3.0+EDR Stereo Headphones/ Hands-Free Headset (Built-In Microphone) With Noise Cancellation Technology For iPhone, iPad, Android , Windows, Samsung Galaxy S4, Samsung Galaxy Note 3, HTC, Nokia, Blackberry, etc. Functions as stereo headphones and hands-free headset (built-in microphone) features Clear Voice Capture (CVC) and noise cancellation technology. Dual antenna works seamlessly with most Bluetooth-enabled & A2DP-enabled devices and with range up to 8 meters. USB powered built-in rechargeable battery provides convenience. Lightweight design provides maximum comfort during extended wearing and maximum portability on the go. Fashionable design makes you stand out from the crowd.