JOWTTE U5 Bluetooth Headphones Wireless Magnetic Earbuds Noise Cancelling w/Microphone Sweatproof Headset, Black Bluetooth 4.1 with A2DP APTX tech support AAC AEC to transfer HIFI stereo audio streaming and clear voice with the CVC6.0 noise reduction tech Unique ergonomic designed earpieces with magnet attraction to keep earphones secure in place and comfortable for long time wearing Lightweight for only 0.7 ounce and with 100mAh long life battery can hold up to 6-8 hours music playing.Sweat-proof for Running, Sports Convenient in line control to pick / hang up the phones, adjust the volume and shift the music Fast Multi Pairing to 2 bluetooth devices and monitoring battery status with your Apple iPhone,Samsung Galaxy Cellphones,Any Smartphone