Features: 100% brand new and high quality Listen music wireless: Stream your audio entertainment from your smart phone or tablet. Listen music through your perfect sound system from your smart phone or tablet with perfect sound quality. Wireless range: Do not have to dock your mobile device with reliable audio connection and it can receive music from up to 10-12 meters( 30-40 feet) away. Works with most speakers, Superior acoustics: Plug the adapter into any A/V receivers and any powered speakers with standard RCA or 3.5 mm jacks. Don't compromise on sound delivers premium acoustics. Play music on 2 speakers at the same time: With two connection options of 3.5mm and 2RCA, you can enjoy music on 2 speakers at the same time. Support automatic power on/off: Use the charging cable to connect to your car or other power sources. When the car starts or has electricity, it will automatically turn on and automatically connect to the device you connected last time. When the car is turned off, it will automatically turn off. Package Includes: 1 x Wireless Audio Adapter. Specifications: Material: Plastic Size: 5.5x5.5x2.3cm/2.17x2.17x0.91in Applicable Devices: Mobile Phones, Computers, Tablet, TV,etc note: Please allow 0-1cm error due to manual measurement. 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