Youmoon Bluetooth Headphones YM8 V4.1 Wireless Sports Earbuds Sweatproof Gym Stereo Headset with Mic/APT-X for Smartphone (Black) Youmoon YM-8 with latest Buletooth 4.1 technology, contributes Buletooth headset in powerful audio and amazing stereo music, built-in Mic ensure Earbuds clear speech when you hands free calling. Perfect Hi-Fi Stereo Sound Quality in noise cancellation, strengthens stereo music and wireless signal. The best Buletooth Headphones surround you in high quality and clear acoustic no matter workout in noisy environment. Comfortable stay in your Ears that unique flexible design with Portable and Lightweight, built-in earhook interchangeable, headphones can perfect fit and remain around your ears. Headset with different 3-sizes ear buds fit your ears in packaging. Battery insurance built-in 100mAh lithium-ion polymer battery, up to 25hrs stand-by, up to 4hrs long time talking or music and just charging 3hrs. Easy using with pushing the middle cycle button on one side, amazing compatible with iOS iPhone iPad Samsung Galaxy series S6 S5 LG G4 G3 and other Smartphone.