Adesso IMOUSE E20 iMouse(TM) E20 2.4GHz RF Wireless Vertical Ergonomic Laser Mouse

• 2.4GHz radio frequency wireless technology• Works at any angle with a range of up to 30ft with no wires to get tangled• On/off switch helps conserve battery power• Ergonomic vertical design provides better support for forearm, minimizing wrist pain that can come from twisting• User can quickly & easily adjust dpi resolution (400dpi/800dpi/1600dpi/3200dpi) with switch located beside thumb• Battery-saving on/off power switch on mouse base can be used to extend battery life & reduce need to change batteries• Advanced laser sensor allows greater precision in mouse navigation, increases battery life & works on more surfaces than an optical mouse UPC : 783750007078 Shipping Dimensions : 6.60in X 4.30in X 3.40in Estimated Shipping Weight : 0.5813