Item No.: RT11 Bluetooth TransceiverInterface: 3.5mmWhether plug and play: plug and playExternal power supply: There is an external power supplyTransmission rate: 24Effective working radius: 10Bluetooth standard: 5.0Working frequency: 2400Newly upgraded LCD Bluetooth adapter: receiving + transmitting two in oneProduct model: RT11 Bluetooth audio receiving and transmitting comboBluetooth version: Bluetooth 5.0Transmission distance: 10 metersProduct color: blackInput voltage: DC5VSuitable type: computer, TV, projector (transmitting mode)/speaker, earphone (receiving mode)Packing size: 121*67*18mm weight.: 32gThe product is simple to operate and can freely send all audio. Through this product, the audio on TV, CD player, MP3 or any other device can be sent to stereo or earphone with Bluetooth function. Because the product uses low-latency technology, it also supports the real transmission of online games, TV, and movie sounds.