Fun4U Bluetooth V4.1 Wireless Sport Headphones with Noise Cancellation for iOS Android Devices (Black and Red) With APT-X and noise reduction technology, delivers high-fidelity stereo sound quality music and clear speech,built-in Mic makes it easy to answer or end calls IPV4 Sweat-proof technology protect the earbuds from demaged.Provides a comfortable feeling during exercising even in rainy days Comfortable and secure design fits your ear perfectly, not easy to slide out while sweating during activities.; The cable smartly stays out of your way when running, jogging or exercising,just take it in gym, square, station and anywhere Equipped with advanced bluetooth V4.1 tech and clear speech within 10 meters bluetooth operating range 5-6 hours of continuous talking / music time,1-2 hours charging time. Easy and fast pairing with smartphones, tablets and other Bluetooth enabled devices