The V7 MW400 Wireless Ergonomic 7-Button mouse is built for all day comfort. It features a concave thumb rest area to help keep your forearm upright in a more relaxed & natural position, & has a soft touch surface for a non-slip grip. Designed for maximum productivity, the MW400 has 7 buttons including forward & backward, ideal for web browsing, & adjustable DPI settings for even greater control.\n\n class="generic"> Mouse Customizable movement resolution Yes Buttons type Pressed buttons Purpose Office Button functions Back, Forward Movement resolution 1600 DPIScrolling directions Vertical Scroll type Wheel Programmable mouse buttons Yes Number of scroll wheels 1 Frequency band 2.4 GHz Certification WEEE, CE, FCCRo HS compliance Yes Buttons quantity 7 Device interface Bluetooth Multi-device support Yes Silent click Yes Input device Customizable movement resolution Yes Buttons type Pressed buttons Purpose Office Button functions Back, Forward Movement resolution 1600 DPIScrolling directions Vertical Scroll type Wheel Programmable mouse buttons Yes Number of scroll wheels 1 Frequency band 2.4 GHz Certification WEEE, CE, FCCRo HS compliance Yes Buttons quantity 7 Device interface Bluetooth Ports & interfaces Frequency band 2.4 GHz Design Country of origin China Product colour Black Form factor Ambidextrous Surface coloration Monotone Ergonomic design Yes Certification WEEE, CE, FCCRo HS compliance Yes Technical details Weight 84 g Quantity 1 Product colour Black Form factor Ambidextrous Button functions Back, Forward Surface coloration Monotone Scrolling directions Vertical Programmable mouse buttons Yes Number of scroll wheels 1 Ergonomic design Yes Ergonomics Ergonomic design Yes Power Power source Batteries Battery technology Alkaline Number of batteries supported 2 Battery type AAACertificates Certification WEEE, CE, FCCRo HS compliance Yes Packaging content Batteries included Yes User guide Yes Weight & dimensions Weight 84 g Width 100.1 mm Depth 78.9 mm Height 61.1 mm Packaging data Quantity 1 Batteries included Yes Package weight 100 g User guide Yes Package width 120 mm Package depth 95 mm Package height 120 mm Other features Weight 84 g\n\n\n\n