Features: 1.2.4GHz Wireless Technology - 2.4GHz wireless technology makes sure a fast response with no delay. 2.1200DPI - DPI is up to 1200DPI, which makes this wireless mouse suitable for many different uses such as surfing news or playing game. 3.Comfortable Grasp - Ergonomic design gives a comfortable grasp. No fatigue or pain after long time using. Suitable for both hands to use. 4.Quieter Click - High sensitivity click makes operation quieter, almost no noise, not bother other people. 5.Long Work Time - 2 pieces of AAA batteries enable this USB receiver mouse to work for a very long time. specification:This wireless mouse adopts high sensitivity up to 1200DPI, it offers a fast response without delay, and comes with 2.4GHz anti-interference transmission to make sure no missing order. And its ergonomic design gives a comfortable grasp. 2.4GHz Wireless Technology - 2.4GHz wireless technology makes sure a fast response with no delay. 1200DPI - DPI is up to 1200DPI, which makes this wireless mouse suitable for many different uses such as surfing news or playing game. Comfortable Grasp - Ergonomic design gives a comfortable grasp. No fatigue or pain after long time using. Suitable for both hands to use. Quieter Click - High sensitivity click makes operation quieter, almost no noise, not bother other people. Long Work Time - 2 pieces of AAA batteries enable this USB receiver mouse to work for a very long time. s: Product type: 2.4GHz Wireless Mouse Material: ABS Color: Black, White (not included) Plug and play: Yes Wireless technology: 2.4GHz Frequency range: 2402MHz - 2480MHz DPI: 1200DPI Working mode: Optical Maximum displacement rate: 28in/s Size: approx. 11 x 5.5 x 2cm/ 4.33 x 2.17 x 0.79in Weight: 84g/ 3.0oz Package List: 1 x Wireless Mouse 1 x Receiver