Feature 100% brand new and high quality. 2 in 1 bluetooth adapter with bluetooth receiving and bluetooth transmitting functions. Bluetooth Transmitter: Add Bluetooth wireless functionality to your TV, PC, MP3 player, DVD player to enjoy wireless music and sound. Bluetooth Receiver: Set all speakers, headphones, stereo to enable Bluetooth. Each time the device is powered on, the transmitter automatically connects to the last connected device. Supports Bluetooth functionality for all 3.5mm media devices (enable Bluetooth reception: speakers, headphones, etc.; enable Bluetooth transmission for the following devices: MP3, CD/DVD players, e-readers, TVs, etc.). Built-in 600mah battery that can be quickly charged via USB cable for up to 8 hours of portable use. Easy to set up, plug and play, perfect for any powered speaker or device using a standard 3.5mm jack or AD2P Bluetooth. Compatible with Android, IOS phone systems and PADs and all Bluetooth audio devices such as TVs, speakers, PCs, CD players, iPhones, iPods, iPads, tablets, MP3 players or car stereos, etc. Noise reduction and echo cancellation. The design is compact and easy to use. Specification Device Type: 2 in 1 Bluetooth Audio Transmitter Receiver Bluetooth version: V4.0 Interface: Standard 3.5mm audio socket Bluetooth profiles: A2DP, AVRCP Frequency range: 2.4GHz-2.48GHz Working Distance: Greater than 33Ft (10m) Charging input voltage: DC 5V Working time: 8 hours Charging time: about 2 hours Battery capacity: 600 MAH Colour: Black package includes 1*2 in 1 Bluetooth Transmitter Receiver. 1 * Micro USB charging cable. 1 * 3.5mm audio cable 1 *User Manual