Diamoenly Trackball Wireless Keyboard - Wireless

Description 2.4GHZ wireless communication - 9 meters high anti-interference, more practical keyboard and mouse integration for smoother operation. The key design is flat and comfortable. Roller technology that rotates randomly between the two directions. Easy to carry, suitable for travel or home and computer applications,which is widely used. Ultra-thin disk, multimedia keys, fixed-point trackball, comfortable, reliable, and simple structure. 78-key position, install 20 multimedia keys, PPP trackball mouse with resolution up to 1000, this multi-function keyboard is very practical. Specification: Connection:2.4G wireless Size:26*12*2.5 cm Mouse DPI:1200 Tracking method: Mouse trackball Power suppply:2* AA battery(not included) Color:Black Button lifetime:8 million times Note There might be a bit color distortions due to different computer resolutions. There might be a slight errors due to different hand measurement. Package included: 1 * wireless keyboard. 1 * user manual. 1 * receiver. Package Including .