MOCREO 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 (Black) MOCREO has been working on Bluetooth adapter for 3 years, you will get 1 year guarantee on this device. 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. Also, some customers maybe meet the problem of upairing, please connect with the device of source voice first then the Blurtooth will connect automaticlly.