Type: USB adapter BT5.0 Product Name: Mini Wireless USB Bluetooth 5.0+EDR Adapter Dongle Bluetooth Version: Bluetooth V5.0 Transmission distance: 10-20 meters (Open Space) Chip model: Taiwan Realtek 8761B Product size: 24 * 14 * 8MM Packing size: 12.5 * 10.5 * 1.5cm Full set weight: 28g USB Bluetooth Adapter for Wireless Earphone Bluetooth Speaker Bluetooth Dongle for Gamepads keyboard Bluetooth 5.0 Adapter, Bluetooth Adapter 5.0 For Laptop Bluetooth USB Adapter, Wireless Transmitter; Wireless Receiver Low Power consumption Compatibility: Support All Windows 7 / 8 / 8.1/ 10 Frequency Range: 2.4Ghz Compatible with Bluetooth V2.1 / 3.0 / 4.0 Color: Black