Bluetooth Audio Transimitter* Turns 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、 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.* High performance Bluetooth 2.1 with A2DP for enhanced audio quality、 allows you to enjoy the stereo music without wire restriction or watch TV quietly (not for answering calls).* Plug and play、 no driver required、 designed for everyone everyday use、 fit perfect in your pocket.* Built-in rechargeable lithium-ion battery can last up to 8 hours of playback time on a full charge. Can work while charging.Specifications:- Bluetooth Version 2.1- Range: 10 meters- Buit-in rechargeable battery- Charging time: about 2 hours- Charging Input: DC 5V- Work Time: 5-8 HoursHow to use it1. Plug the Bluetooth Transmitter into any devices with 3.5mm audio port.2. Pairing: Press and hold the button for 6 seconds until the red and blue LEDs flash alternatives. The Bluetooth Transmitter will now be in paring mode. Please place the transmitter within 1 meter range of your Bluetooth device during the pairing process.3. Connection: Pair to the Bluetooth stereo headset automatically.Package Contains:? 1 x Bluetooth transmitter? 1 x USB Charging Cable