JETech 2-in-1 Wireless Bluetooth Stereo Audio Receiver and Transmitter with 3.5mm Jack Bluetooth Transmitter: add 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 Portable size. One-button switch to shift between transmitter(TX) and receiver(RX) mode Bluetooth 3.0 with A2DP for high quality audio sound Package including: JETech Bluetooth transmitter and receiver adapter, 3.5 mm audio cable, USB charging cable, User manual