Keychron K4 Bluetooth Wireless Mechanical Keyboard version 2 - Aluminum Frame Connectivity and Power: Battery: 4000mAh Rechargeable li-polymer battery BT Working Time: Up to 10 hours (Lab test result may vary by actual use) Connection: Bluetooth and Type-C cable Bluetooth version: 5.1 Package Included: 1x Keychron K4 Keyboard1x USB to Type-C cable1x User Manual Bluetooth Mechanical Keyboard Keychron K4 is a 96% layout (100-key) RGB backlight Bluetooth mechanical keyboard with Aluminum Frame. The K4 is crafted to maximize your workspace and enhance productivity. With a unique Mac layout provides all necessary Mac function keys, while compatible with Windows. It connects with up to 3 devices with the latest Broadcom Bluetooth 5.1 chipset proved from time to time. Gateron Blue Switch Given that 2.3 ±0.6mm pre-travel and 60gf actuation force, the Gateron blue switch feature a nice clicky feeling while satisfying your finger with a durable 50 million keystroke lifespan. If you like strong hit feeling, then this one is the right choice. Compact Keyboard A 100-key layout RGB backlight Bluetooth mechanical keyboard. Meticulously designed layout and inclined bottom frame makes the K4 more comfortable to type. Wireless and Wired Dual Modes Connects with up to 3 devices via Bluetooth and switch among them easily, best fits home, office use while connecting with your smartphone, laptop and iPad. You can choose USB type-c wired mode for constant power supply. Suitable for All Devices Designed with Mac users in mind, with a unique Mac layout, K4 has all necessary Mac function keys, while compatible with Windows. Just plug and use, no driver is needed. Extra keycaps for both Windows and Mac operating system are included. 4000mAh Big Battery K4 can last up to 24 hours typing with a 4000 mAh big battery, which is one of the biggest in mechanical keyboard. N-key rollover (NKRO) on wired mode or 6KRO on wireless mode. 15+ RGB Lighting Options Charming RGB lighting with elegant legends helps to stay focus in dime environment with style, you can also choose other static color backlight mode. Ergonomic Design Inclined bottom frame makes the K4 more comfortable to type even without a palm rest. K4Hot Swappable K4 K6 K8 K8Hot Swappable K2 Buying Options Add To Basket Buying Options Add To Basket Buying Options Add To Basket Customer Reviews 4.4 out of 5 stars 81 4.6 out of 5 stars 139 4.2 out of 5 stars 33 4.4 out of 5 stars 94 4.5 out of 5 stars 75 4.0 out of 5 stars 63 Price — no data £85.00£85.00 — no data £109.00£109.00 — no data £90.99£90.99 Hot Swappable ✓ no data ✓ no data ✓ no data Layout 96% 100 Key 96% 100 Key 65% 68 Key 75% 87 Key 75% 87 Key 84 keys Available Switch Type Gateron Red/Blue/Brown Switch Gateron Red/Blue/Brown Switch Gateron Red/Blue/Brown Switch Gateron Red/Blue/Brown Switch Gateron Red/Blue/Brown Switch Gateron Red/Blue/Brown Switch Dimension 376 x 129 x 38mm 376 x 129 x 38mm 317 x 107 x 37mm 359 x 127mm X front 35mm/rear 42mm 359 x 127mm X front 35mm/rear 42mm 317 x 129 x 38.5mm Frame Aluminium Aluminium Aluminium Aluminium Aluminium Plastic