Lenovo 4X31N50746 keyboard Mouse included Universal RF Wireless QWERTY US English Black

Certification: CB, TUV marking, CE, cTUVus, FCC, IC, IMDA, WPC, BIS, SIRIM, NBTC-SDOC, SDPPI, NTC, AITI, TRC, NCC, BSMI, MSIP, VCCI, JRF, KVALITET, ICASA, TRA, NTRA, MOC, PTA, ICT, EQM, BOCRA, ARCT, ETA, NCA, POTRAZ | Warranty period: 3 year(s) | Mouse battery life: 18 month(s) | Scroll type: Wheel | Buttons type: Pressed buttons | Keyboard battery type: AAA | Buttons quantity: 3 | Recommended usage: Universal | Backlight: No | Keyboard layout: QWERTY | Keyboard weight: 406.5 g | Package height: 42 mm | Movement resolution: 1600 DPI | Keyboard keys operating life: 10 million characters | Buttons durability (million clicks): 3000000 | Service life of battery: 15 month(s) | Key travel distance: 1.91 cm | Mouse weight: 65.5 g | Operating temperature (T-T): 0 - 40 °C | Number of products included: 3 pc(s) | Power source type: Battery | Mouse battery type: AA | Package weight: 680 g | Scroll: Yes | Keyboard form factor: Full-size (100%) | Operating relative humidity (H-H): 20 - 95% | Wireless receiver interface: USB Type-A | Connectivity technology: Wireless | Mouse included: Yes | Pointing device: No | Device interface: RF Wireless | Keyboard language: US English | Numeric keypad: Yes | Number of batteries (mouse): 1 | Mouse dimensions (WxDxH): 110.1 x 61.5 x 36.1 mm | Product colour: Black | Number of batteries (keyboard): 1 | Receiver included: Yes | Package width: 520 mm | Form factor: Ambidextrous | Receiver type: Nano receiver | Movement detection technology: Optical | Keyboard dimensions (WxDxH): 422.3 x 134.5 x 21.9 mm