Drhob foldable Wireless Stereo Bluetooth Headset For all IOS And Android system phone system tablet computers and other electronic equipment(Color: Random black and white) Bluetooth headset with rubber oil material design, feel smooth, full of atmosphere; full size protein coat comfortable earmuffs, comfortable to wear; sealed earmuffs designed to effectively isolate external noise Foldable design, wearing adjustable size, high applicability Built-in high-quality music Bluetooth 3.0 chip, enjoy cool music Bluetooth + Stereo Headphone Combo, it is necessary to travel home with Bluetooth headset. Volume +/-, previous / next song switch, answer the phone play / pause, support for 3.5mm audio interface, no power supply 3.5 plug audio cable directly connected to headphones, enjoy high-quality music player