CHERRY KW 9100 keyboard

Specifications: Keyboard: - Recommended Use: Universal - Device Interface: Rf Wireless + Bluetooth - Keyboard Layout: Qwertz - Numeric Keyboard: Yes - Keyboard Switch Technology: Cherry Sx - Keyboard, Number Of Keys: 108 - Keyboard Key Lifespan: 10 Million Characters - Band Frequency: 2.4 - 2.4835ghz - Certification: Ce, Fcc, Ukca, China Rohs Design: - Keyboard Style: Right - Adjustable Keyboard Height: Yes - Surface Coloring: Monochrome - Led Indicators: Yes - Wireless Range: 10m - Cable Length: 1.2m - Number Of Usb 3.2 Gen 1 (3.1 Gen 1) Type-C Ports: 1 Energy Control: - Feeding: Battery - Keyboard Battery Type: Integrated Battery - Battery Technology: Lithium - Battery Capacity: 650mah Environmental Conditions: - Operating Temperature Range: 0 - 40°C - Storage Temperature Range: -15 - 60°C - Relative Humidity Range For Operation: 0 - 85% - Relative Humidity Range During Storage: 0 - 85% Weight And Measurements: - Keyboard Dimensions (Width X Depth X Height): 440 X 130 X 15mm - Keyboard Weight: 675g