The CHERRY KW 9100 SLIM not only looks incredibly good, but also offers numerous extras, state-of-the-art technology and the highest quality of workmanship Key features Keyboard Recommended use Universal device interface RF Wireless+ Bluetooth keyboard layout QWERTY keyboard layout Switzerland input device No Numeric keypad Yes Key Switch Technology Cherry SX Keyboard - Number of Keys 108 Keyboard Key Life 10 Million Characters Frequency Band 2.4 - 2.4835 GHz Certification CE, FCC, UKCA, China RoHS Design Backlight No Product Color Black Keyboard Style Straight Wrist Rest No Adjustable Keyboard Height Yes Surface Color Monochromatic LED Display Yes Features Wireless range 10 m Cable length 1.2 m USB 3.2 Gen 1 (3.1 Gen 1) Number of Type-C 1 ports Power Source Battery Keyboard Battery type Integrated battery Battery/battery technology Lithium battery/battery capacity 650 mAh Mouse included No Operating conditions Operating temperature