Computer Accessory Sets features: KM-909 2.4GHz Wireless Multimedia Keyboard + Wireless Optical Pen Mouse with USB Receiver Set for Computer PC Laptop, Random Pen Mouse Color deIivery( Color: we send based on the color or size of the main image of the product page. Quantitywe send based on quantity on title, if there is no quantity in the title, we send based on . 1. Low-profile keyboard with slim style. 2. Comfortable and ergonomic shape design. 3. Slim standard keyboard with low-profile structure. 4. Wireless range up to 10 meters. 5. 2.4GHz technology, freely 360 degree use. 6. Mini USB receiver, plug and play. 7. Button life: over 100,0000 times. 8. Mouse Adjustable DPI: 800/1200/1600DPI. 9. Support multi-language layout. 10. Excellent flexibility and sensitive key. 11. Battery: 2 x AAA batteries for keyboard and 1 x AAA battery for mouse (Batteries are not included). 12. Power saving technology and low power indicator. 13. Support system: Windows / Mac, etc.