Description/Features: 1. transparent shell with silent buttons and metal rollers 2.One key can directly return to the desktop, with fast actions and improved office efficiency. 3.Ergonomic design, curvature fits the palm for a more comfortable grip, and smooth lines 4.Plug and play connections are more stable 5.Triple mode connection with seconds to switch as desired<br><br>Specifications: Color: silver Material:Acrylic Working mode: 2. 4G+BT1+BT2 Working current: 30MA Battery capacity: 500mah DPI: 800-1200-1600-2400<br><br>Package Contents: 1 x Mouse 1 x USB receiver 1 x Charging cable<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.