Feature 13 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. 261 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. 3HOT 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. 4STRONG 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. 52000MAH 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: ABSConnection Method: BT5.0, 2.4G, USB CNumber of Keys: 61 KeysSwitch Type: Blue SwitchesBacklight: RGBRated Voltage: DC 5VRated Current: <200mABattery Type: Built in 2000mAh Lithium ion Battery .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x 3 Modes Mechanical Keyboard (Shipped with Built in Battery)1 x Receiver1 x Type C Cable1 x User Manual