MOCREO&reg; Wireless Portable Bluetooth Stereo Music Transmitter (Not A Bluetooth Receiver) for 3.5mm Audio Devices (iPod, MP3/MP4,TV, Media Players...) + 3.5mm Audio Cable + USB Power Cable(White) Turn your regular stereo audio devices into a Bluetooth-enabled, wireless streaming machine thru 3.5mm audio-out jack. Work with any type and brand of device such as TV, PC, CD Player, iPod, Kindle Fire, MP3/MP4 etc. up to 30 feet working range. Easy pairing with Bluetooth stereo headset, headphones, speakers and other Bluetooth stereo audio enabled system. Sleep Mode Function: To save power, this transmitter will enter into sleep mode when no any devices connected within 5 minutes or so. During the 5 minutes, if the connection cut off, then it will automatically be connected with your device again. When it is into sleep mode, you will restart it again to connect. Reminder: The Bluetooth transmitter will take about 10 seconds for the first time pairing with other Bluetooth receiving devices.