360-degree rotatable folding stand, you can easily adjust the angle and height of your phone The keyboard has a built-in 150mAh lithium battery, convenient to charge and use Wireless mouse perfect to fit your hands, providing a comfortable user experience Come with a stylus pen, convenient for you to write Suitable for Samsung Galaxy Fold/Z Fold series cell phones? Specifications: Interface: Standard MICR interface Link distance: Effective operation within a range of 10 meters Modulation method: GFSK Working voltage: 3.0-5.0V Working current: Standby current: Sleeping current: Charging current: ≥100MA Standby time: >60 days Charging time: 2-3 hours Lithium battery capacity: 150mAh Working time: Up to 150 hours Lithium battery life: 1 year Key strength: 80±10g Key life: 3 million clicks Operating temperature: -10℃ to +55℃ Bluetooth: 3.0 YICHIP