Logitech 920-007933

No learning curve involved. You will enjoy the comfort and simplicity of a traditional full-size keyboard layout from day one.Long battery life:- Type as long as three years between battery changes and use your mouse for up to a year before replacing the battery.The three year battery life prediction is based on approximately two million keystrokes per year in an office environment. Like all batteries, your experience may vary based on the use and computing conditions.Built to last:- Durable construction with sturdy tilt legs and spill-resistant design. Anti-fading treatment on each key so you never worry about losing the letters from your keys.Reliable wireless:- Simply plug the tiny USB receiver and enjoy a strong connection with no lag time. Your wireless keyboard and mouse will still be connected up to 10 meters (33 ft) away.Specifications:Keyboard: - Recommended usage: Universal- Device interface: RF Wireless- Keyboard language: Czech- Keyboard form factor: Standard- Numeric keypad: Yes- Windows keys: Yes- Hot keys: Yes- Number of hot keys: 15- Connectivity technology: Wireless- Purpose: Universal- Frequency band and operating channels: 2.4 GHz- Flexible keyboard: NoDesign: - Backlight: No- Keyboard style: Straight- Full-size keyboard: Yes- Wrist rest: No- Adjustable keyboard height: Yes- Surface coloration: Monotone- Protection features: Spill resistantErgonomics: - Connectivity range: 10 m- Card reader integrated: NoPower: - Power source type: Battery- Keyboard battery type: AAA- Number of batteries (keyboard): 2- Service life of battery: 36 month(s)- Rechargeable: No- USB charging: No- Wireless charging: NoMouse: - Mouse included: Yes- Movement detection technology: Optical- Control panel: 3- Buttons type: Pressed buttons- Scroll: Yes- Scroll type: Wheel- Mouse battery type: AA- Number of batteries (mouse): 1- Number of scroll wheels: 1Weight & dimensions: - Keyboard dimensions (WxDxH): 435.5 x 137.5 x 20.5 mm- Keyboard weight: 475 g- Mouse dimensions (WxDxH): 61.5 x 97.7 x 35.2 mm- Weight: 70.5 gPackaging data: - Receiver included: Yes- Wireless receiver interface: USB- Receiver type: Nano receiver- Unifying receiver: No- Receiver dimensions (W x D x H): 14.4 x 18.7 x 6.6 mm- Receiver weight: 2 g- Batteries included: Yes- User guide: Yes- Bundled softwareLogitech Set: PointOther features: - Internal: No