Product DescriptionCrafted for professionals, the keyboard delivers unrivaled functionality, comfort, and style. The sleek, responsive keyboard ensures a silent typing experience. Seamlessly connect to up to 3 devices via Bluetooth 5.3 and 2.4GHz for rock-solid reliability—perfect for boosting productivity across all your devices.Top FeaturesReliable 2.4GHz Lenovo Pro Unified USB Receiver, Dual Bluetooth 5.3;95% post-consumer recycled plastic materials including 20% reclaimed from Lenovo own products;Customization software tool: Lenovo Accessories and Display Manager;AES-128 encryption to protect your security;Low-profile, 3-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;Up to 36 months battery life (may vary based on usage);Enjoy total peace of mind thanks to the 3 years warranty.