1. Bluetooth 5.0 adapter: strong compatibility, universal for TV, computer, headset, mouse and keyboard, suitable for home audio and video, car and office scenes2. Bluetooth 5.0 + : higher compatibility, more stable signal transmission, 10 meters barrier-free transmission3. A dual mode of the adapter, meeting both transmitting and receiving functions4. Drive plug and play, drive-free installation, quick pairing, very convenient to use5. Easy to carry: The size is about 32x18x10.2mm / 1.26x0.71x0.4inch, with 3.5mm AUX audio cable includedProduct name: USB Bluetooth 5.0 transmitter receiverMode: Transmit/receive comboNeed to drive: no drive, plug and playBluetooth version: 5.0 + Working range: up to 10mCompatible system: , and other mainstream operating systemssize:32x18x10.2mm Material:ABScolour:BlackPackage Contents:1 x USB Bluetooth 5.0 module1 x 3.5mm AUX audio cableOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.