ALLIMITY Wireless Sports Headphones with Mic Bluetooth 4.1 wireless headphones, easy and faster connection with many bluetooth enable devices like iphone, android smartphones, tablets, and more Noise reduction with CVC 6.0 tech to reduce background sound enable clarity sound and volume for dynamic music experience Sweatproof with IPX 4 water protection, also equipped with anti-slip earhook, good for sport and exercise, fitness and workout Built in rechargeable li-polymer battery capable of up to 8 hour playtime, you can be relaxed and have fun Packing well with color box, but also equipped with easy to carry on the go carrying pouch, good for travelling, cycling, biking, jogging and running