and high quality. 2 in 1 Bluetooth adapter with Bluetooth receive and Bluetooth transmit. Bluetooth Transmitter: bluetooth wireless function to your TV, PC, MP3 player, DVD player to enjoy wireless music and sounds. Bluetooth Receiver: turn any speakers, headphones, stereo system to Bluetooth enabled. time when the device power on, the transmitter will automatically connect to the last connected device. Bluetooth-enable all 3.5mm media devices (enable Bluetooth receiving: speakers, headphones and more; enable Bluetooth transmission for: MP3, CD / DVD players, e-, and more). Built in 600mah battery ensures up to 8 hours working time for portable use, fast-charging through the USB cable. Easy to setup, plug and play, Perfect For Any Powered Speakers Or Devices Using Standard 3.5mm or AD2P Bluetooth. Compatible with Android, IOS phone system and PAD and all Bluetooth audio devices such as TV ,Speaker, PC,CD Player, , , , Tablets , MP3 Player Or Car Stereo and More. Noise reduction and cancellation. design, easy to use. Device Type: 2in1 Bluetooth Audio Transmitter Receiver Bluetooth Version:V5.0 Interface: Standard 3.5mm audio socket Bluetooth Profiles: A2DP, AVRCP Frequency Range: 2.4GHz-2.48GHz Operating Distance: More than 33Ft (10 ) Charging Input Voltage: DC 5V Working Time: 8 hours Charging Time: about 2 hours Battery Capacity: 600 MAH color:Black Material:plastic Package Contents: 1 x Audio Adapter Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.