HeroNeo&reg; USB Bluetooth Music Receiver Adapter 3.5mm Stereo Audio For iPhone4 4S 5 Mp3 White Easy To Operate:Simply connect your speaker with our device,immediately transform your speakers into a fashionable wireless bluetooth speaker 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 Perfectly Compatible:Our products can be compatible with most of mobile phone or computer on the market.Support iPhone,iPad,iTouch and all kinds of smart phones. Portable Design:With mini size,the feature of portable can let you carry them to anywhere you want Support A2DP V1.2,Bluetooth 2.1+EDR,Output: USB port 3.5mm audio interface