LENOVO Professional Wireless Multi-Mode Pro Keyboard & Mouse Combo Full-Size USB-A Dual Bluetooth 5.3 three-zone DPI US English 3YR WTY Reliable 2.4 GHz Lenovo Pro Unified USB Receiver, Dual Bluetooth 5.3 95% post-consumer recycled plastic materials including 20% reclaimed from Lenovo own products Customisation software tool: Lenovo Accessories and Display Manager AES-128 encryption to protect your security Low-profile, three-zone silent keyboard for effortless typing LED indicator for keyboard: Low-battery, CapsLock, NumLock, 3*device switch One-touch dedicated media controls (F1-F12 keys) for productivity Adjustable tilt leg and spill-resistant keyboard design Full-size ambidextrous mouse offers silent buttons Four mouse buttons: Left/Right-click, scroll-wheel with middle click, DPI Four-way scroll wheel for max control (up/down/left/right) Mouse high precision click, DPI up to 4,000, 3-level DPI Setting Up to 36 months battery life for both keyboard and mouse (may vary based on usage) Enjoy total peace of mind thanks to the three-year warrant Tech Specs Special/Added Features 2.4G+BT5.3 wireless Connectivity 2.4G Wireless via USB-A receiver Bluetooth® 5.3 Y-direction Key Pitch 19.05 mm / 0.75 inch X-direction Key Pitch 19.05 mm / 0.75 inch Product Weight KBD:415 ± 10 g / 14.64 ± 0.36 oz MS:60 ± 5 g / 2.12 ± 0.18 oz Packed Weight 756.3 g / 26.7 oz Packed Dimensions (L x D x H) 529 mm x 145 mm x 44 mm / 20.83 inch x 5.71 inch x 1.73 inch Minimum Operating Temperature 0℃ / 32℉ Maximum Operating Temperature 40℃ / 104℉ Length KBD:433.6 mm / 17.07 inch MS:61.0 mm / 2.40 inch Height KBD:25.2 mm / 0.99 inch MS:36.4 mm / 1.43 inch Depth KBD:123.4 mm / 4.86 inch MS:113.0 mm / 4.45 inch Color Eclipse Black Battery Life Up to 36 months battery life for keyboard & Mouse (may vary based on usage) JAN 4.58276E+12 EAN 1.95892E+11 UPC 1.95892E+11 Smart Find Visibility Yes Warranty Type Customer Replaceable Unit (CRU) Warranty Period 3 Year Maximum Relative Humidity (%) 95% Minimum Relative Humidity (%) 20% Hardware Requirements Supported PC with USB-A port Agency Approvals CB Package Type Brown Box Included Accessory Lenovo USB-A Receiver Keyboard Key Lifecycle Up to 10 millions clicks Language Layout US English Keyboard Layout 3-zone Button Life 5 million clicks for left and right buttons Number of Button 8 buttones ( Left, Right, Scrol, Scrollling Left/Scrolling Right/DPI key/Power Button/Pairing Button) Scrolling 4-way scrolling (Up, Down, Left, Right) Mouse Resolution Three-stage DPI setting 1600, 2400 (default),  4000 Mouse Sensor IR Sensor Power Requirement KB: 1.5V AAA x 2 MC:1.5V AA x 1 Supported OS Windows10, Windows11