1、In transmitter mode, convert a non-bluetooth TV, PC, for CD player, for iPod, laptop, tablet, MP3 (including but not limited to this) (with a 5mm or 5mm jack output port) to bluetooth for transmission by pairing with a bluetooth stereo headset or speaker. 2、In receiver mode, it can be connected to the auxiliary port of a traditional wired speaker stereo receiver to enable it to connect wirelessly to a phone or tablet to play your favorite music. 3、Low latency, complete "wired" stereo sound quality, no lag content flow in transmitter and receiver modes. Ideal for use on TV that support headphones or RCA audio output. 4、It has a round body and is compatible with most bluetooth headsets (including TWS earbuds, for airpods/airdot, etc.) 5、Support for 10m/38ft no barrier transmit distance. 1x Bluetooth Audio Receiver 1x USB Cable1x Cable1x Manual  Condition: 100% Brand NewItem Type: Bluetooth Audio Receiver Bluetooth: 3.0 +EDRInterface: 3.5mm/micro USBDistance: barrier-free 10m/ 32.8ftBattery type: built-in ICR10370 lithium batteryBattery capacity: 110mAhWeight: Approx. 62g