1. QUAD AXES ROUND KEYCAPS: Bluetooth mechanical keyboard uses quad axes round keycaps to ensure that your fingers do not get tired easily during typing, even after long hours of operation, giving you a softer tapping sensation. 2. BLUE SWITCH: Support 3 types mode connection (wired, wireless, Bluetooth). Bluetooth 5.0 is easier to connect. Mechanical Blue switch, responsive, long press loss is small. Character slit two color night off light normal use. 3. RGB LIGHTING: Seven color RGB lighting to increase the gaming ambient. Pull the toggle to adjust the white LED light mode. You can also adjust the volume and brightness of the light by turning the wheel. 4. LEATHER DECORATION: Selected thickened leather decorative wrapping, wear resistant and scratch resistant, comfortable to the touch. The perfect combination of retro and practical functions, providing fun in the game and office. 5. COMPATIBLE SYSTEM: Blue switch mechanical keyboard is compatible with phones, tablets or laptops for Android, for Windows 10, for iOS and for OS X. You can connect it to your desktop computer using a USB cable. Specification: Material: Metal, Plastic, Electronics Applicable: Universal Type: Mechanical Keyboard Number Of Keys: 83 Keys Interface: TYPE C Waterproof Function Support: Waterproof Operating Current When The Backlight Is Always On: 150 MA Operating Current When The Backlight Is Turned Off: 8 MA Bluetooth Mode Sleep Current: 0.6 MA Key Rollover: Wired N Key Rollover, Bluetooth 6 Key Rollover Operating Voltage: 3.7V Hibernation Time: 2 Minutes After The Device Does Not Operate Automatically Into The Hibernation State, Press Any Key To Wake Up Battery Type: Built In 2000mAh Lithium Battery (Included) Package List: 1 x Keyboard 1 x Charging Cable 2 x Keyboard Replacement Shaft 1 x Key Puller 1 x Instruction Manual ?WIDE COMPATIBILITY?: Gaming keyboard with modern and sleek design, which is superior performance. High low key layout with suspended round key fits fingers effectively, help reduce hand fatigue, aluminum alloy metal panel, matte texture, sturdy and robust, protect it from scratch. Support phones, tablets or laptops for Android, for Windows 10, for iOS and for OS X. ?2000MAH BATTERY & BLUETOOTH 5.0?: Typewriter mechanical keyboard built in 2000mAh lithium battery, low power consumption module, bringing stronger battery life. The device automatically goes into hibernation after 2 minutes of no operation. Support tri mode connection (wired, wireless, Bluetooth). Bluetooth 5.0 is easier to connect. ?83 KEY & THICK LEATHER DECORATION?: Typewriter keyboard allows multiple keys to work simultaneously with high speed. Let you enjoy high-grade games with fast response. 12 easy-to-reach multimedia keys. The keyboard is thickened leather decorative wrapping, wear resistant and scratch resistant, comfortable to the touch. ?14 MODES LED BACKLIT LIGHT?: The computer keyboard has multi color background light, effectily to add to the game environment. Pull the toggle switch to adjust the LED lighting mode. You can also adjust the volume and brightness of the lights by turning the scroll wheel. The beautiful lighting effects are perfect for game and office or daily use. ?MECHANICAL BLUE SWITCH?: Retro round keycap of the wireless mechanical keyboard looks like a classical typewriter, brings you comfortable typing feeling & stable clicking touch. Mechanical Blue switch, responsive, long press loss is small. Uses quad axes round keycaps, wear-resistant for long-term typing, the characters and color will not fade in long use.