Bluetooth Transmitter (Not a Bluetooth Receiver) Connect to audio output devices such as TV, CD player, PC, MP3/MP4, and offer easily pairing with Bluetooth receivers - Bluetooth speaker, wireless headset, etc. Wide CompatibilitySupport converting Home Audio Systems, TV, or any analog audio source from wired to wireless with advanced Bluetooth solution. Compatible with most Bluetooth devices and transmit music signal from up to 10 meters (33-feet) away. High-quality Sound EffectAdopts Advanced Bluetooth Module which lets it gets high-quality sound effect with A2DP and allows you to enjoy the stereo music without wire restriction or watch TV quietly without disturbing your family members. Easy To UsePowered by USB - TV's USB port or any phone charger, PC USB or other 5V USB outlet. No time limit, no special software or drivers, and no complex settings and professional knowledge. Enjoy your favorite wireless content all the time. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store