Ultra-thin 24G Wireless Keyboard Mouse Set with Keyboard Film Computer Office Gaming Silent Keyboard and MouseNo Battery Features: Ultra-thin keys, comfortable to operate, and keyboard film is dust-proof. Advanced 2.4GHZ wireless technology, 10m long-range wireless connection, high sensitivity, stable signal, anti-infection and no delay, allowing you to easily operate your computer in bed. "Zero" delay, only one receiver is needed for keyboard and mouse, saving USB space and making it easier to store and carry. Low power consumption and low current consumption design make the battery last longer. Low voltage alarm indicator light constantly reminds to replace the battery. Intelligent battery control system, suspended ABS keys and buttons, perfect silent design. Suspended chocolate keycap design, extraordinary silent structure design. Using advanced intelligent wireless network protocol, the keyboard and mouse do not interfere with each other. Each set of mouse and keyboard has a fixed network ID. Using frequency hopping transmission technology, one office can support 32 devices without interfering with each other. Specification: Name: keyboard and mouse set Frequency: 2.4GHZ-2.483GHZ Operating distance: 10M Rated working voltage: 1.9--3.6V Rated operating current: 15mA Tracking System: Optical Transmission rate: 1 Mbitsec Modulation method: GFSK Resolution: 600--1200DPI Wireless working channels: 16 USB interface: 1.1--2.0 specifications, driver-free RF power: 3dB Temperature : 40 --+85 Keyboard batteries: 2 AAA batteries (not included) Mouse battery: 1 AAA battery (not included) Operating system: Windows98, WindowsME, WindowsN7, WindowsXP Vista, Win7, Win8, Mac ( Apple system), Android 4.0, Android system, Android smart TV. Keyboard size: 38.5*11.0*2.5cm Mouse size: 9.5*5.0*2.0cm Colors: Black P acking included: 1 x Wireless Keyboard 1 x Wireless Mouse 1 x Usb Receiver 1 x Keyboard Film 1 x User Manual Note : 1. Due to manual measurements and slight color variations, please allow 1-3 cm (0.4-1.18 inches) difference to suit different display settings. 2. Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand. _x000D_