Ugreen Ku005 Ultra Slim Wireless Bluetooth Rechargeable Keyboard.

Connectivity: Supports both Bluetooth 5.0 and 2.4GHz wireless via USB receiver. Multi-Device: Can connect to up to 4 devices simultaneously and switch between them. Battery: Features a built-in 400mAh rechargeable battery charged via USB-C. Design: Ultra-slim profile with a 99-key layout that includes a numeric keypad.