Lenovo Essential Gen2 Wireless Keyboard and Mouse Set Black 4X31N50746

Design Product color: Black Backlight: No Power Battery life: 15 months Number of batteries (keyboard): 1 Power supply type: Battery Keyboard battery type: AAA Weight and dimensions Keyboard dimensions (WxDxH): 422.3 x 134.5 x 21.9 mm Keyboard weight: 406.5 g Mouse dimensions (WxDxH): 110.1 x 61.5 x 36.1 mm Mouse weight: 65.5 g Working conditions Temperature range (operation): 0 – 40 °C Relative humidity range: 20 – 95% Packaging data Package width: 520 mm Package height: 42 mm Weight with packaging: 680 g Package contents Receiver type: Nano receiver Receiver Included: Yes Number of products included: 3 pcs. Wireless receiver interface: USB Type-A Mouse Mouse battery life: 18 months Scroll wheel: Yes Button type: Push buttons Button durability (million clicks): 3,000,000 Layout: Ambidextrous Number of buttons: 3 Scroll type: Wheel Motion Detection Technology: Optical Number of batteries (mouse): 1 Motion resolution: 1600 DPI Mouse battery type: AA Mouse Included: Yes Keyboard Keyboard size: Full size (100%) Keyboard language: US English Connection method: Wireless Pointing device: No Application: Universal Device Interface: RF Wireless Keystroke depth: 1.91 cm Keyboard layout: QWERTY Numeric keypad: Yes Keyboard key lifespan: 10 million characters Other functions Warranty period: 3 years Safety warning Warnings Do not disassemble the device. Used devices should be taken to a special electronic waste collection point. Protect from moisture.