Bluetooth Transmitter Connected to 3.5mm Audio Devices Leading Brand of Bluetooth Transmitter Field. 5 years of business experiences with more than 1.5 million satisfied customers. First Choice of High Quality with proper price. Sunvalleytek is the only authorized seller of TaoTronics on Amazon. A magic device that can add Bluetooth capability to your None-Bluetooth audio source device like TV, iPod, CD player, PC, MP3/MP4, and transmit audio to your Bluetooth headphone, Speaker and other stereo system. Easy pairing with Bluetooth stereo headset, headphones, speakers and other Bluetooth stereo audio enabled system. Work with any type and brand of audio source device. Up to 30 feet working range. High performance with A2DP for enhanced audio quality, allows you to enjoy the stereo music without wire restriction or watch TV quietly. Small, lightweight and durable! Take the transmitter with you and enjoy Bluetooth music anytime/anywhere for up to 7 hours! Can work while charging by micro charging port.