iKross Wireless Bluetooth 3.0 Stereo Transmitter Dongle Adapter For Devices with 3.5mm Audio-out Jack Transforms any device (e.g. TV, computer, MP3 player, PSP, laptop) with 3.5mm audio output jack wiith a Bluetooth enable music receiver such as wireless Headset and speaker Supports A2DP, enabling your audio device to transfer stereo audio wirelessly. Charges via the included USB cable in 2 -3 hours and delivers 8 hours of audio transmission per charge Dimensions: 1.97 x 1.00 x 0.43 inches ( 50 X 25.5 X 11 MM ) ; Weight: 13.8g, Package Included: Wireless Transmitter, 3.5mm Audio Cable, 3.5mm Audio Adapter, Micro-USB Charging Cable, User Manual. How to connnect to bluetooth: press and hold the play/pause button until the LED flashes RED/BLUE. Then activate device's Bluetooth discovery mode to pair with the dongle. Note: If there is a static, please check the wifi connection.