<h1><strong>Features：</strong></h1><h3>[1] Tri-mode connectivity supports Bluetooth, 2.4G wireless and wired connections, compatible with Windows, MacOS, iOS and Android systems for versatile use.</h3><h3>[2] 4000mAh large capacity battery offers up to 300 hours of with backlight off; Type-C port enables simultaneous charging and usage.</h3><h3>[3] PBT keycaps with dual-color injection molding resist wear and oil, featuring a texture for enhanced typing comfort and precision.</h3><h3>[4] RGB backlight with 18 preset effects and 256-level brightness adjustment, including a unique &quot;Time Machine Mode&quot; for a stunning visual experience.</h3><h3>[5] 99-key compact layout saves 20% desk space while retaining the numeric keypad; ergonomic design with 6° and 9° tilt angles reduces wrist fatigue.</h3><h1><strong>Product details：</strong></h1><h3>Product model: S99Pro</h3><h3>Interface type: Type-C</h3><h3>Rated voltage: DC3.7V</h3><h3>Battery capacity: 4000mAh</h3><h3>Rated current: ≤ 200mA</h3><h3>Key cap process: PBT key cap with dual-color injection molding</h3><h3>Product size: 408.6mm * 155mm * 50.2mm</h3><p></p>