Ausdom S02 Bluetooth Stereo Headphones Sport headphones Wireless Headset with Build-in Microphones for iPhone,Samsung Galaxy,smart-phones and Bluetooth Devices (Black) Listen to media without distraction of wire from your phone or tablet Ultra lightweight (0.6oz / 17.2g) and ideal for use on the go The material of the headset is in a sweat and water proof design Built-in microphone and controls for phone calls, volume, and music playback Up to 5.5 hours of battery life for both talk and audio playback (iPhone displays headset battery meter)