1、3 MODES: Equipped with a stable BT 5.0 chipset, a 2.4GHz adapter, and a USB C wired mode, the mechanical keyboard is compatible with smartphones, laptops, and tablets, providing versatility in connectivity options. 2、61 KEYS: With a compact design, the 60% mechanical gaming keyboard saves valuable desktop space while still offering all the essential keys for gaming and productivity. 3、HOT SWAPPABLE: The hot swappable PCB allows for the effortless swapping of 3 pin or 5 pin switches without the need for soldering, you can freely customize and create your unique keyboard layout. 4、STRONG COMPATIBILITY: The keyboard is compatible with various operating systems, including for Windows 7 8 10 11, for OS X, for Android, etc. It can connect up to 5 devices simultaneously, allowing for efficient multitasking and quick performance switching. 5、2000MAH BATTERY: With a full backlighting feature, the keyboard provides approximately 8 hours of usage time. It utilizes proprietary mechanical switches with a lifespan of up to 50 million keystrokes per key, ensuring durability and longevity. Item Type: Mechanical Keyboard Material: ABS Connection Method: BT5.0, 2.4G, USB C Number of Keys: 61 Keys Switch Type: Blue Switches Backlight: RGB Rated Current: <200mA Battery Type: Built in 2000mAh Lithium ion Battery 1 x 3 Modes Mechanical Keyboard (Shipped with Built in Battery) 1 x Receiver 1 x Type C Cable 1 x User Manual