HK03 Wireless Keyboard and Mouse Combo Set - 2.4G Ergonomic Mini Wireless Keyboard & Mouse for Windows/Android/iOS with Keyboard Protector (Black) - Perfect for Home Office, Gaming & Remote Work

How to Use: 1. Install the battery (not included) into the keyboard and mouse. 2. The usb signal receiver is plugged into the computer usb interface, then it can be used. Specification: Item Type: Wireless Keyboard and Mouse Set Material: ABS Wireless Frequency: 2402MHZ-2480MHZ Wireless Channel: 16 (Automatic Frequency Hopping) Maximum Mouse Acceleration: 14 Inches Per Second USB Signal Receiver: 10 Meters Distance Mouse Working Voltage/Current: 3V/10MA Keyboard Working Voltage/Current: 3V/3MA Keyboard Battery Specifications: 2 AAA Batteries (Not Included) Mouse Battery Specification: 1 AAA Battery (Not Included) Package List: 1 X Keyboard 1 X USB Signal Receiver 1 X Mouse 1 X Keyboard Film 1 X User Manual