Connect up to six compatible wireless devices using a single USB port, storable within the mouse during travel. The full-size keyboard's low-profile, whisper-quiet keys make typing efficient and comfortable. The mouse's gentle curve makes it comfortable for all-day use. Device Type: Keyboard and mouse set - wireless Dimensions (WxDxH) / Weight: Keyboard : 17.6 in x 7.2 in x 0.8 in / 20.1 ozMouse : 2.4 in x 3.9 in x 1.5 in / 1.8 oz Interface: 2.4 GHz Wireless Receiver: USB wireless receiver Service & Support: 3 years warranty Service & Support Details: Limited warranty - 3 years Compliant Standards: Plug and Play Included Accessories: Logitech Unifying receiver, USB extender Compatible with Windows 7: Compatible with Windows 7 Type: Keyboard Features: Silent keys technology, low profile keys, 12 programmable keys Hot Keys Qty: 12 Hot Keys Function: Internet browsing, multimedia, e-mail, volume, play/pause Type: AA type Installed Qty: 3 OS Required: Microsoft Windows Vista / XP / 7 / 8 Type: Mouse Pointing Device Features: Wireless Manufacturer Warranty: 3 years warranty Features: Wireless Features: Silent keys technology, low profile keys, 12 programmable keys Device Type: Keyboard and mouse set - wireless Hot Keys Qty: 12 Input Device: Keyboard Interface: 2.4 GHz Wireless Receiver: USB wireless receiver Microsoft Certification: Compatible with Windows 7 Hot Keys Function: Internet browsing, multimedia, e-mail, volume, play/pause Pointing Device: Mouse