Battery: - Battery Size: LR06 - Battery Technology: Zinc-Carbon (Zn-C) Design: - Backlight: No - LED indicators: Yes - Product colour: Grey Features: - Wireless range: 10 Keyboard: - Bluetooth version: 5.0 - Connectivity technology: Wireless - Device interface: Bluetooth - Frequency band: 2.4 - Hot keys: Yes - Keyboard form factor: Full-size (100%) - Keyboard language: German - Keyboard layout: QWERTZ - Numeric keypad: Yes - Pointing device: No - Recommended usage: Office - Windows keys: Yes Mouse: - Mouse included: No Operational conditions: - Operating temperature (T-T): 0 - 40 - Storage relative humidity (H-H): 0 - 95 - Storage temperature (T-T): -40 - 65 Packaging content: - Number of products included: 1 - Receiver included: Yes - User guide: Yes - Wireless receiver interface: USB Type-A Power: - Keyboard battery type: AAA - Number of batteries (keyboard): 2 - Power source type: Battery System requirements: - Linux operating systems supported: Yes - Mac operating systems supported: Yes - Mobile operating systems supported: Android - Other operating systems supported: ChromeOS/DOS - Windows operating systems supported: Yes Vendor information: - Brand Name: Dell Weight & dimensions: - Keyboard dimensions (WxDxH): 433.3 x 121.5 x 25.34 - Product.Details.Specifications.Level1: Server, Computer & Printer Parts - Product.Details.Specifications.Level2: Servers & Computers - Product.Details.Specifications.Level3: Mice & Keyboards - Product.Details.Specifications.Level4: Keyboards