1. Material: PU leather + PC + epoxy board 2. Size: 255*196*15mm, weight: 612g 3. Maximum opening angle: 125-130 degrees 4. Bluetooth: V5.1 Nordic 5. Battery capacity: 450mAh, charging time: 3H 6. Usage time: 4H when backlight is turned on, 100H when backlight is not turned on 7. Lighting: 7 backlight colors can be switched at will, and the brightness can be adjusted 8. Applicable to: 2024 iPadPro11-inch tablet computer 9. Double-axis design, full-range touch, scissor-type structure key travel