HUICCN Mechanical Gaming Bluetooth Keyboard 60% - 61 Keys Hot-Swappable Programmable Wireless Keyboard with RGB Backlit (Black Optical Switches)

* OPTICAL SWITCH - Adopting the black optical switch, adopt an optical trigger, the same feel as the black mechanical switch, faster response time is 0.3ms, compared to the traditional mechanical axis, no easily worn, longer service life, 50 million times knock * HOT-SWAPPABLE - Full keyboard support for changing other optical switches, similar to Gateron Kailh or other brands, you can customize the feel of your own keyboard without replacing it with a new one and without desoldering. (Only Optical Switch compatible) * BLUETOOTH CONNECTION - 3 Bluetooth devices can be linked at the same time, such as linking the tablet/ smartphones/ laptop meanwhile. Also equipped 2000 mAh battery, longer usage time, maximum availability of 40 hours. * MACRO SOFTWARE - Equipped macro definition software allows for all keys and keypress combinations to be remapped to execute complex commands plus backlit customization. For download and installation instructions, please see the guidance document at the bottom of the link. * ...