Foldable design handband headset Long Battery Life and Quick Charging Microphone built in, coming call with handsfree Built-in HD and Sensitivity Microphone 3.5mm AUX jack Communication:Wireless Connectors:3.5mm Style:Headband Product name:headband Wireless Headphone Color:White / Black / Blue / Red Type:Foldable stereo headphone Battery:3.7V/ 250MAH Feature:3.5mm AUX port Usage:Mobile phone / Tablet PC / Laptop / Computer / MP3 / MP4 MOQ:Small quantity order Standby time: 30 Hours Blutooth Version:V4.2+EDR Material:ABS+PVC