InzhiRui Sports-style music Wireless Headphones Noise Cancelling Headphones with the replaceable battery w/ Microphone Earbuds Headset Earphones for Cell phones/Devices (White) Music Bluetooth new subversion Sports-style music Bluetooth V4.1 headset with the replaceable battery Double configuration capacity and the lasting music time reaches 16 hours Enjoy wireless fabulous music Clear and convenient communication Special noise reduction and give you a HD calling experience Compatible with all kinds of Bluetooth devices