1.Easy To Operate:Simply connect your speaker with our device，immediately transform your speakers into a fashionable wireless bluetooth speaker. 2.Wireless Play:Removing troubles of wired connection，through the wireless connection and transmission，the user can enjoy a high fidelity music at any place indoor by wireless control 3.Perfectly Compatible:Our products can be compatible with most of mobile phone or computer on the market.Support For iPhone，For iPad，iTouch and all kinds of smart phones. also can connect it with the car USB port. 4. Portable Design:With mini size，the feature of portable can let you carry them to anywhere you want. Specifications: Colour: Black Bluetooth 2.1+EDR Support A2DP V1.2 Powered by 5V DC Transmission Rate:3(Mbps) Transmission Distance: up to 10m Power supply mode: USB-POWE Operation Steps: 1. For no USB port Speakers---Supply power to the device by connecting charger with 5V USB interface，then connect the Speaker's AUX port with the audio cable. 2. For Speakers with USB port---Connect the device with speaker's USB port directly，then connect the Speaker's AUX port with the audio cabl. 3. Turn on the bluetooth function of computer， mobile ， or other device which has Bluetooth function，searching for the device to connect and input: 0000 for matching when the device is in the matching mode 4. After matching success， you can use your phone to play music Package Includes:1 x USB Bluetooth Audio Music Receiver(Mbps)1 x 3.5mm Audio Cable1 x user manual