Specifics Product Number: MU3172363 X 2; Product Name: S61 61 Keys Bluetooth Dual Mode Mechanical Keyboard with RGB Backlight Gaming Keyboard Weight: 30.3356 oz = 0.86 kg = 1.8960 lb Category: Mechanical Keyboard for PC Game Hardware Tags: RGB Backlight Gaming Keyboard, Bluetooth Dual Mode Keyboard, 61 Keys Keyboard, S61 Keyboard, Mechanical Keyboard Bluetooth With FN+Q, W, and E switching, it can support up to three Bluetooth devices simultaneously. Dynamic Backlight: You can adjust the brightness of the dream breathing light to your preference; it illuminates your professional operation with five different settings. Key Line Separation: Both wired and wireless switching are easy to use, have a 15-meter connection, and are effective. They break the distance restrictions by allowing users to move around without sitting at a table. ​