Skque&reg; USB Bluetooth 3.5mm Stereo Audio Music Receiver Adapter For Speaker Cellphones PC, Black It can change the wired to wireless and normal speaker to wireless bluetooth speaker. It can match cell phones and laptops which have bluetooth, then achieve wireless speaker. Make music in the audio equipment play by wireless. Power Supply: USB 5V;Technology Standard: Bluetooth v2.0 + EDR;Output Audio: 3.5mm Audio interface;Receiving Distance: About 10m;Standard accessories: Audio cable;Compatible with: Cell phones and computers with bluetooth and so on. Package Includes:1 x USB Bluetooth Audio Music Receiver;1 x 3.5mm Audio Cable