Features 1、2.4G wireless transmission technology provides reliable connection within a range of 20m, allows you to say goodbye to the wired shackles and operate more freely. 2、Adopt high precision optical engine, accurate positioning, up to 1600DPI, to meet the daily use of office and game entertainment. 3、Adopt ergonomic design, the smooth and comfortable shell fits the hand curve, provides comfortable hand feel, effectively prevents from wrist ache in long time use. Specification Features: 2.4G wireless transmission technology provides reliable connection within a range of 10m, allows you to say goodbye to the wired shackles and operate more freely. Adopt high precision optical engine, accurate positioning, up to 1600DPI, to meet the daily use of office and game entertainment. Adopt ergonomic design, the smooth and comfortable shell fits the hand curve, provides comfortable hand feel, effectively prevents from wrist ache in long time use. This mouse creates a quiet and comfortable environment, whether you are in quiet office or studying late at night in the library. Slim design, lightweight and portable, you can easily put it in a bag or pocket, more convenient to use. No driver requied, plug and play. Specification: Name: Wireless mouse Material: ABS Color: Black/White/Pink/Blue/Green(optional) Transmission distance: 10m DPI: 1600DPI Number of keys: 4 keys Battery: 2 * AAA batteries(not included) Item size: 11.5 * 6 * 2.2cm /4.53 * 2.36 * 0.87in(L * W * H) Item weight: Approx.50g /1.76oz Packing list: 1 * Wireless mouse 1 * USB receiver Package List 1 * Wireless mouse 1 * USB receiver