2-in-1 Wireless Bluetooth 5.3 Transmitter Receiver Adapter Audio 3.5mm Jack Aux Features: 2 in 1 Bluetooth adapter with Bluetooth receive and Bluetooth transmit. Bluetooth Transmitter: add 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. Every 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-readers, TVs and more). Built in 300mah battery for portable use, fast-charging through the USB cable. Easy to setup, plug and play, Ideal For Any Powered Speakers Or Devices Using Standard 3.5mm Jack or AD2P Bluetooth. Compatible with Android, IOS phone system and PAD and all Bluetooth audio devices such as TV ,Speaker, PC,CD Player, iPhone, iPod, iPad, Tablets , MP3 Player Or Car Stereo and More. Noise reduction and echo cancellation. Compact design, easy to use. Specification: Device Type: 2in1 Bluetooth Audio Transmitter Receiver Bluetooth Version: 5.3 Interface: Standard 3.5mm audio socket Bluetooth Profiles: A2DP, AVRCP Frequency Range: 2.4GHz-2.48GHz Operating Distance: More than 33Ft (10 meters)(Open Space) Charging Input Voltage: DC 5V Working Time: Up to 6 hours Charging Time: about 2 hours Battery Capacity: 300mAh Weight:2.79 oz/79g Colour: Black Package Includes: 1 x 2in1 Bluetooth Transmitter Receiver. 1 x Micro USB Charging Cable. 1 x 3.5mm Audio Cable. 1 x User Manual.