AUSDOM S02 Bluetooth Ultra Portable Stereo Headphones Sport headphones Wireless Headset with Build-in Microphones for iPhone 6s / 6 / Plus / 5s / 5c / 4s, Samsung / HTC Android Phones & Most Bluetooth Enabled Devices Wireless Sport jogger style Stereo Headphone Super lightweight(0.6oz) and portable design makes it comfortable to wear for a long time and use on the go Ergonomically and Behind-the-head designed provide stabilization and convenience when you are doing sports Built-in microphone and controls for phone calls, volume, and music playback Up to 6 hours talk time,5 hours music playing and 120 hours standby time