Bluetooth Transmitter,THZY Black Wireless Portable Bluetooth Stereo Music Transmitter for 3.5mm Audio Devices (TV, Laptop, PC, Tablet, iPod, MP3/MP4, Media Players) Bluetooth V2.1 + EDR makes for added data transfer rate and reduced latency in sound transmission, ensuring optimal audio quality well suited for watching TV/movies. Transforms any device (e.g. TV, computer, MP3 player, PSP) with 3.5mm audio-out jack into a Bluetooth-capable music streaming solution with no additional drivers required. Charging and working in parallel (with no static noise) is supported; Embedded Li-ion battery allows for convenient recharging Supports A2DP, enabling your audio device to transfer stereo audio wirelessly. Energy saving capability: powers off automatically if pairing fails for over 5 minutes.