1.Bluetooth 4.1 Transmitter and Receiver mode.Transmitter mode (TX), turn a non-Bluetooth TV, PC, CD player, headphones, iPod, MP3 / MP4 into a Bluetooth transmitter while pairing with Bluetooth stereo. Receiver mode (RX): Ideal for home or vehicle music streaming sound system. 2.Streaming content without latency in transmitter mode. The right sound at the right time for an experience without delay,so you can watch TV / Movie and listen to high-clarity sound in perfect synchronization. 3.Connect device with a 3.5 mm cable. Switch between Transmitter and Receiver mode.

&#127822[Updated Version] UPDATED on 25 April 2018. The new version adopts 2 pcs TI TPA3116 chips which has stable and reliable quality and can provide 100W *2 RMS output power. Really clean sound quality. The old version may stop working after 3 weeks use, please contact us at customer@fosiaudioshop.com for exchange if you received the old version. Bluetooth 4.2 core, up to 33ft connection range guarantees low signal delay. No pop, no audible noise when Bluetooth connection is established; 100W RMS X 2(4 ohms, 20 Hz - 20 kHz, 0.04% THD), comes with 19V power supply, can drive 280watts(8 ohm), 320watts(4 ohm) speakers;