Part Number 4Y41R69513 Tech Specs Depth 151 mm (5.94 in) Length 420 mm (16.54 in) JAN 4582764208596 EAN 0195892118091 UPC 195892118091 Smart Find Visibility Yes Warranty Type Customer Replaceable Unit (CRU) Warranty Period 3 Year Maximum Relative Humidity (%) 95% Minimum Relative Humidity (%) 20% Maximum Operating Temperature 40? (104?) Minimum Operating Temperature -5? (23?) Packed Weight 797 g (28.11 oz) Packed Dimensions (L x D x H) 443 mm x 169 mm x 33 mm (17.44 in x 6.65 in x 1.30 in) Package Type Brown box Hardware Requirements Supported Bluetooth 5.1 Connectivity Bluetooth 5.1 Specialized Software/Driver LADM Agency Approvals BQB, BQB QDID Purchase, SRRC, ANATEL, UKCA CE RED, EAC, UkrSEPRO, TCRA, RCM SDOC, BIS, WPC, TRC, ICASA, Maghreb, ECAS, ATT, CONATEL, URSEC, IFETEL, NOM-019 Shipment Group Lenovo Self-Charging Bluetooth Keyboard Warranty Poster Specific Poster Included Accessory Warranty Poster Specific Poster Product Weight 635 g (22.4 oz) Height 16 mm (0.63 in) Y-direction Key Pitch 19.05 mm (0.75 in) X-direction Key Pitch 19.05 mm (0.75 in) Switch Type Plunger type Key Style Island style keys Keyboard Key Lifecycle Up to 10 Million Clicks Tilt Adjustable Yes Color Black Special/Added Features Self-Charging by Ambient Light, No Battery Design Hot Key F1 to F12 Number of Keys 109 keys Language Layout Slovak 245 Keyboard Layout 3-Zone Power Requirement ambient light, USB-C Supported OS Windows10,Windows11 Brand Lenovo