iClever Apt-X Wireless Stereo Music Bluetooth Transmitter Improvements of apt-X over standard Bluetooth audio include reduced audio delay, CD quality audio and performance, and improved connectivity 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 Embedded Li-ion battery allows for convenient recharging Supported Bluetooth profiles: A2DP; operation range: 33 ft / 10m Energy saving capability: powers off automatically if pairing fails for over 5 minutes