AGPtek New Wireless Bluetooth A2DP HiFi Audio Dongle Adapter Transmitter for TV, Desktop, Laptop, Tablet, MP3/MP4 Player, CD and DVD Players and all other Audio Devices with 3.5mm Audio-out Jack Bluetooth V2.1 + EDR makes for accelerating data transfer rate and reducing latency in sound transmission. Besides, it ensured optimal audio quality and 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. Supports A2DP, enabling your audio device to transfer stereo audio wirelessly. Embedded Li-ion battery allows for convenient recharging. Energy saving capability: powers off automatically if pairing fails for over 5 minutes.