Wireless Bluetooth-compatible Receiver Adapter 4.1 Stereo 3.5mm Jack for Car Computer Music Audio Aux For Headphone Features: 1. Make your Car AUX sytem and Home Theater AV HiFi Surrounding system become Bluetooth-compatible compatible, get music from Bluetooth-compatible enable device such as For ,For ,For ,For For for Smart cellphone or Bluetooth-compatible PC, Laptop. 2. Simply connect this Bluetooth-compatible receiver to your line-in or auxiliary input on your speakers, p it to your Bluetooth-compatible enabled device, and enjoy the wireless music revolution. 3. Whether you want Bluetooth-compatible convenience in your car, through your home-theater system, in your kitchen, bathroom, or bedroom,etc. 4. Simple operation,3.5mm Male to Male Connector or 3.5mm Male to Male Cable to connect the speakers and the receiver. 5. High-performance AMP chip,can push the headset,and high-power speaker,applicable to all types of speakers 6. Powerful Bluetooth-compatible IC,More for STRONGER compatibility 7. Powered by built-in rechargeable li-ion battery via mini USB port , long working for TIME and low consumption.8. You can for PLAY music through your car and answer phone call via the built-in Mic. specification: Color: black Material: Plasticmetal Size: 5x2x1cm / 1.96x0.78x0.39 in Quantity:1set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 x Bluetooth-compatible Music Receiver1 x Micro USB Power Cable 1 x 3.5mm Inlet Socket1xInstruction manual