Keychron K4 Keyboard (version 1) Features: • Gateron Red • 96% layout (100 keys) • Bluetooth and USB Type-C plug • Support for Windows, Mac, and iOS • RGB LED backlighting • A fully charged battery can last up to 240 hours. Condition: • 90% brand new! • Purchased a few years ago and only used a few times. 🌟BEFORE YOU BUY, READ THIS🌟 Type-C cable, keycap puller, Mac keycaps, and the original box are NOT INCLUDED