Fangrui Product Details 1. Wireless Keyboard And Mouse Combo For Business Office With Tablet Slot & Wrist Rest 2. This Wireless Keyboard & Mouse Set Is Designed For Business Office And Multi-tasking Scenarios, Featuring An Ergonomic Wrist Rest And Integrated Tabletsmartphone Slot To Balance Efficient Work And Entertainment Needs. 3. Integrated Bracket Slot For Placing Tablets Or Smartphones, Providing Convenient Viewing Angles For Video Streaming Or Work. 4. Keyboard With Silent Key Design Minimizes Typing Noise, Effectively Reducing Disturbance To Others. 5. Aluminum Alloy Scroll Wheel For Volume Adjustment. 6. Built-in Keyboard Wrist Rest Alleviates Hand Fatigue During Prolonged Typing. 7. Specifications: 8. Keyboard Keys: 113 Keys 9. Mouse Buttons: 6 Buttons (left, Right, Middle, Dpi Up Key, Forward Key, Back Key) Dpi: 80012001600 10. Power Supply: 11. Keyboard: 1 X Aaa 12. Mouse: 1 X Aa 13. (battery Not Included) 14. Keyboard Dimensions: 441.63 X 199.59 X 28.56mm 15. Mouse Dimensions: 108 X 61 X 30mm 16. Includes Usb Receiver (shared By Keyboard And Mouse)