2.4G Bluetooth Wireless Headphone with Mic

1) usb port reliable 2).4GHz wireless 3) Ideal for use with desktop 2.4GHz Wireless- stereo Headset for-PC/Cellphone/Laptop/TV- - 1.Product-Information - 1.-The-product-applies-the-International-General-2.4G-frequency,-which-can-both-display-the-most-reliable-sound-quality-and-enable-you-to-conduct-wireless-voice-chat. - 2.-The-distance-for-the-wireless-transmission-is-over-10-meters-(open-straight-line-distance). - 3.-The-product-built-in-polymer-battery-of-excellent