Computer Accessory Sets features: Lenovo KN101 Simple Wireless Keyboard Mouse Set (Black) Color: we send based on the color or size of the main image of the product page. Quantity：we send based on quantity on title, if there is no quantity in the title, we send based on description. 1. High key cap, reasonable key stroke, comfortable typing 2. The mouse symmetrical curved surface design fits the palm of your hand and is comfortable to use 3. 2.4GHz wireless transmission technology, 10 meters transmission distance, suitable for computers and notebooks 4. The mouse uses Taiwan original phase optical IC, high resolution precision mobile 5. The keyboard is made of ABS material, plus structural reinforcement design, more durable 6. Mouse built-in USB receiver, plug and play 7. Battery: AAA battery * 1 + AA battery * 1 8. Keyboard standard: 104 keys 9. Dimensions: keyboard 450x150x19mm, mouse 115x35x55mm