Fun4U Bluetooth V4.1 Wireless Sport Headphones with Noise Cancellation for iOS Android Devices (Green) With APT-X tech and noise reduction technology,transfer a high-fidelity stereo music and clear speech Equipped with advanced bluetooth v4.1 and clear speech within 10 meters bluetooth operating range. Comfortable and secure design fits perfectly to your ear; the cable smartly stays out of your way when running, jogging or exercising In-line remote with integrated microphone makes it easy to answer/end calls. Latest Bluetooth technology with charge 1-2 hours up to 6 hours of continuous talking / music time; easy and fast pairing with smartphones, tablets and other Bluetooth enabled music devices