Feature:1. Easy to Operate: Just plug in your speaker / headset with our device, instantly turn your speaker / headset into an elegant wireless bluetooth speaker / headset.2. Wireless game: Remove the problems of wired connection, through the connection and wireless transmission, the user can enjoy the music of high fidelity anywhere covered by wireless control.3. Portable design: mini size with clip design The portable feature can let you take it anywhere you want.4. Support for iPhone, Android phone, other smart phones than with bluetooth A2DP function.5. Compatible with home / speaker stereos, car stereos, headphones that is with 3.5mm audio input.Specification:Type: bluetooth Audio ReceiverMaterial: PlasticQuantity: 1 pcItem Color: Blackbluetooth version: 4.1Frequency Range: 2.4 ghzProfile: A2DPTransmission range: up to 10 m / 33ftPackage Included:1 Xbluetooth Receiver