What's new on K4v2? Bluetooth 5.1. Inclined bottom frame. Relocated the Del key. Changed keycap color scheme. Added dedicated caps lock indicator light. PACKAGE CONTENT: 1 x Keychron K4 Mechanical Keyboard1 x Windows Keycaps1 x USB-A to USB Type-C Cable1 x Keycap Puller1 x User Manual Compact Bluetooth Mechanical Keyboard A 96% layout (100-key) White LED backlight wireless mechanical keyboard （without hot-swappable）with a number pad in a compact design that’s built for productivity and a tactile typing experience. 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 G Pro mechanical Switch Durable Gateron G Pro mechanical switch with a 50 million keystroke lifespan to provide an unrivaled responsiveness on the switches. Bluetooth Mechanical Keyboard A 96% layout (100-key) wireless mechanical keyboard included number pad and relocated Del key that offers convenient access to all the essential keys for Mac and Windows in a small footprint. (*Num Lock works with Windows OS only.) Wireless and Wired Dual Modes Connects with up to 3 devices via Bluetooth and switch among them easily. With high reliable and broad compatibility Broadcom Bluetooth 5.1 chipset, the K4 is best to fit home, office and light gaming use while connecting with your smartphone, laptop and iPad. It also has wired mode with USB Type-C connection. Suitable for All Devices With a unique Mac layout and Windows compatibility, the K4 is offering convenient accessibility to all the essential multimedia and function keys. Just plug and use, no driver is needed. Extra keycaps for both Windows and Mac operating systems are included. 4000mAh Big Battery The K4 can last up to 240 hours (with backlit disabled) with a 4000 mAh big battery, which is one of the biggest in mechanical keyboards. N-key rollover (NKRO) on wired mode or 6KRO on wireless mode. One More Thing Inclined bottom frame makes the K4 version 2 more comfortable to crank out emails or write a novel. Added dedicated caps lock indicator light and relocated the Del key base as customer feedback. Community Driven Design Covered by major tech media which thanks to our community that contributed to make a perfect design. SPECIFICATION Number of Keys 100 Keys Frame Plastic Frame Switch Type Gateron G Pro mechanical Switch Lighting White LED Backlight Keyboard Interface Bluetooth & Wired BT Version Bluetooth 5.1 Operating System Windows/Android/Mac/iOS BT Working Time (Backlit off): Up to 240 hours (Lab test result may vary by actual use) Dimension (Plastic frame) 371 x 124 x 38mm