Features1. Supports horizontal and vertical screen switching, easy to use.2. Touchpad design, responsive and precise control.3. Colorful backlit keyboard, you can switch colors at will, full of atmosphere.4. The detachable keyboard can connect up to three devices at the same time and can be switched for use.5. Built-in large-capacity lithium battery, the working time of turning on the light is about 4~6 hours, and the working time of turning off the light is about 200 hours.Parameters1. Working voltage: 3.0V~4.2V2. Working current: less than or equal to 3.0mA3. Working hours: greater than or equal to 80 hours4. Low battery alarm: 3.0-3.3V5. Sleep current: less than or equal to 0.3mA6. Standby time: greater than or equal to 100 days7. Battery capacity: about 250mAh8. Button strength: 50g-70g9. Button life: 3 million times10. Charging input: 5V/500mA11. Connection distance: 10m12. Charging time: 2~3 hours13. Charging current: 150-300mA14. Wake-up time: 2~3 seconds15. Charging interface: TYPE-C16. Operating temperature: -10 degrees Celsius to +55 degrees CelsiusSpecification: General Compatible with Samsung: Galaxy Tab S9 FE+, Galaxy Tab S9+ Package Weight One Package Weight 0.83kgs / 1.84lb One Package Size 28cm * 21cm * 3cm / 11.02inch * 8.27inch * 1.18inch Qty per Carton 30 Carton Weight 24.00kgs / 52.91lb Carton Size 58cm * 43cm * 20cm / 22.83inch * 16.93inch * 7.87inch Loading Container 20GP: 534 cartons * 30 pcs = 16020 pcs40HQ: 1241 cartons * 30 pcs = 37230 pcs