Universal Sports Stereo Wireless Bluetooth Headset Earpiece Earphones Handsfree Call with Microphone Mp3 Fm Player Compatible with Android iOS Cellphone Smartphone Black Long talk / standby time Wireless Sports Bluetooth Headset, handsfree talking when you are driving or working. Easy operation and Outstanding Voice Quality, can adjust the volume up and down Wireless Bluetooth stereo headset, Easy access to music and phone calls Support TF Card, superior sound quality, wireless design makes this Bluetooth stereo headphone easy to wear throughout the day. Universal bluetooth earphone works for all mobile phones which has bluetooth function