About The Product:- 1.Bluetooth function: It suits for mobile connect Bluetooth, mobile support music play, hearing and talk function. 2.With a low sound effect: The headset supports a variety of sound adjustment, so that we can enjoy the full audio play. It beyond your imagination. 3.The MP3 function: can insert TF card (Mobile phone memory card) play music, without a cellphone, plug-in memory card into a single earphone, play music, suspended, volume adjustment. 4.Support cable connection for mobile phone and computer: Headphones do no need boot or use battery, can be cable connected to the mobile phone and computer, the standard 3.5mm plug, mobile and computer can use together. 5.Built-in battery: inside set physics rechargeable battery, Listening to the music available 8 to 10 hours, charge time is 3-4hours, built-in charger, sealed. 6.Method of use: Open the Bluetooth function, at the same time open the Bluetooth headset, it can be connected when the device of Bluetooth of mobile show the item on the bottom.