Nano-sized USB 2.0 Bluetooth 5.0 + EDR adapter that is the smallest sized BT 5.0 USB adapter on Amazon. (Single chip combines BT baseband, modem, and BT RF into a tiny package while providing full performance) Bluetooth SIG Certified for maximum compatibility and consistent performance. Bluetooth 5.0 standard, transfers data up to 4 times faster than Bluetooth 4.2 standards while saving energy. Wide compatibility, Supports Windows 8.1/10/11, Linux: Kernel 2.6.32 - 5.3 (supports Fedora & Ubuntu only) Visit EDiMAX website for the latest support information and driver download. Single-chip Bluetooth 5 controller, combines multiple protocols for full features: LM, LL, L2CAP, GATT, RFCOMM, SPP, LE. Supports dual mode (BR/EDR + LE Controllers), compatible with previous versions, including v2.1 + LE and Bluetooth classic (BDR/EDR). Supports Bluetooth Low Energy (BLE) with multiple Low Energy states.