1. ergonomic design, the operator can more comfortable fit the product, have a more natural grip, so as to reduce the discomfort caused by long-term use and bring comfortable experience 2.Intelligent connectivity, just plug the wireless receiver into your computer USB port, and no extra driver required. 3.Adopt 2.4GHz wireless technology, provides a , connection, increase working distance of up to 10m. 4.Adopts the top of power saving chip, 5 power saving than wireless mouse, standby time is over 12 months. 5.Adjustable Function: 800/1200/1600, Maximum Acceleration 20G Key number: 6 Transmission: 2.4Ghz Wireless interface: USB nano-receiver Working dISTANCE: 10M System support: /Win7/8/10 color: Black Material:ABS Package Contents: 1 * Receiver 1 * Mouse Only the above package content, other are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.