Quality and ergonomics at the workplace The CHERRY DW 5100 is our most successful desktop set with an ergonomic mouse. The abrasion-proof laser-inscribed keyboard makes the set a great partner in the office and on the road.Key benefits Wireless desktop set with abrasion-proof laser inscription Durable, high quality professional keyboard with ergonomic 5-button mouse Easy to install, requiring no technical knowledge Battery status display in keyboard and mouse Mouse has on/off switch for additional energy efficiency Nano USB receiver: also ideal for permanent use with the notebook Infrared sensor and adjustable resolution (1000/1750 dpi) 2.4 GHz technology (range of up to 5 meters)