Bluetooth Transmitter, iClever Wireless Portable Transmitter (Connected to 3.5mm Audio Devices, Paired with Bluetooth Receiver. TV Ears, Bluetooth Dongle, A2DP Stereo Music Streaming), Black 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.