☺[7 colors and 3 brightness] 7 kinds of adjustable lights, 7 kinds of colorful lights: white, light blue, green, yellow, red, purple, dark blue, suitable for switching to your favorite color in different scenes. And the buttons also have 3 kinds of adjustable brightness, which is convenient for you to adjust according to the intensity of external light to find the brightness that suits you. | ☺[Connect 4 devices at the same time] Upgrade Bluetooth 5.1, the connection signal is more stable, the longest connection signal can reach 10m (33ft), and up to 4 devices can be connected at the same time. You can also switch back and forth between 4 devices at will. The switch button is in the upper right corner of the keyboard, which is convenient and quick. | ☺[Rechargeable and long-term charging] This rechargeable keyboard only takes 3.5 hours to fully charge, and then it can work continuously for 320 hours. Powerful endurance makes the keyboard do not need to be charged frequently, and the keyboard will automatically go to sleep when there is no operation for 15 minutes to save power. When the keyboard power is low, the battery indicator on the upper right corner of the keyboard will flash to remind you . | ☺[Great for Apple users] Compatible with iMac, MacBook Pro / Air, iPhone, iPad, and has 16 specific Apple shortcuts, a stylish, energy-saving, silent multi-channel Bluetooth designed for Apple users keyboard. | ☺[Ultra-thin mute button] Upgrade the large button, the size of the button is larger, and the center of the button can be touched with a light click. The design is completely silent, without any click noise. The ultra-thin size and ergonomic design provide more convenience for your work.