Lenovo Self-Charging Bluetooth Keyboard 108 Keys Full-Size Plunger Switch Tilt Adjustable No Battery Ambient Light Multi-Device

Lenovo ThinkPad X1 G4 Self-Charging Wireless Keyboard (4Y41S31209)

The Lenovo 4Y41S31209 is a premium, specialized Bluetooth keyboard originally designed as part of the ThinkPad X1 Fold ecosystem, now available as a standalone high-performance accessory. Its most distinctive feature is the integrated wireless charging capability, allowing it to charge automatically when placed on a compatible device surface, alongside a standard USB-C port for traditional charging. This keyboard maintains the legendary ThinkPad typing experience with tactile, scissor-switch keys and includes an integrated TrackPoint and touchpad, providing a complete navigation solution in a remarkably slim and portable form factor.

Performance and Navigation

Despite its ultra-portable profile, the keyboard delivers the precision and tactile feedback expected from the ThinkPad line.

* **Switch Type:** Scissor-switch keys for a tactile typing experience.

* **Navigation:** Integrated TrackPoint (red pointing stick) and a compact multi-touch touchpad.

* **Indicators:** LED indicators for Power, Bluetooth pairing, and Caps Lock.

* **Keys:** Full QWERTY layout with dedicated function and media keys.

Connectivity and Power

Designed for a cable-free lifestyle, it offers multiple charging and connection methods to ensure continuous productivity.

* **Wireless Technology:** Bluetooth 5.0.

* **Dual-Charging:** Supports wireless self-charging (via pogo pins/induction on compatible X1 devices) and wired charging via USB-C.

* **Multi-Device:** Ability to pair with and switch between multiple Bluetooth-enabled devices.

* **Battery Life:** Long-lasting internal rechargeable battery designed for weeks of use on a single charge.

Design and Build Quality

The keyboard is built with high-quality materials to withstand mobile professional use while maintaining an elegant aesthetic.

* **Form Factor:** Ultra-slim and lightweight for maximum portability.

* **Finish:** Premium texture consistent with the ThinkPad X1 carbon-fiber and leather aesthetic.

* **Attachment:** Magnetic docking for secure placement on compatible tablet surfaces.

* **Layout:** Spanish (ES) / International (depending on specific regional SKU 4Y41S31209).

Compatibility and Integration

* **Optimized For:** Lenovo ThinkPad X1 Fold series.

* **Universal Support:** Compatible with Windows 10, Windows 11, and Android devices via Bluetooth.

* **Interface:** Magnetic Pogo-pin connectors for charging and physical alignment.