Wireless Keyboard and Mouse Combo Rechargeable USB Cordless Slim Compact Keyboard with Numeric Keypad and Ergonomic Silent Computer Mouse Set for Windows,PC,Laptop,MacBook,Chromebook-Silver White

What's in the box: 1 * Wireless Keyboard, 1 * Wireless Mouse, 1 * USB Receiver, (NOTE: The USB receiver is stored at the bottom of the mouse). 1 * USB C to USB Adapter, 1 * Type-C Charging Cable, 1 * User Manual. Specification: Transmission method: 2.4GHz wireless connection Keyboard battery capacity: 250 mAH Mouse battery capacity: 400 mAH Keyboard size: 14.49×4.84×0.55 inch Keyboard weight: 1 lb Mouse size: 4.65×3.15×1.78 inch Mouse weight: 2.5oz Trouble shooting: 1. Trying moving the keyboard and mouse more closer to USB nano receiver 2. Pull out the USB receiver and plug it firmly to USB port 3. Please charge the keyboard if mouse and keyboard become lag or inconsistant connection. The RED power LED will blink every 5s if low battery 4. Plug your nano receiver to some other USB port of your PC or laptop 5. Try to pair the keyboard and mouse with nano receiver again if power led indicatesin RED but no response. Press and hold "Esc & Q" for 3 seconds, the keyboard enters pairing mode. Press and hold the "middle button and right button" of the mouse for 5 seconds, the mouse enters pairing mode.