2-in-1 design, Bluetooth keyboard combined with PU+TPU tablet case The Bluetooth 3.0 keyboard has a long-lasting button life, is durable to use The keyboard has a built-in lithium battery, convenient to charge and use Can be converted to a supporting stand for hands-free movie watching and web surfing Strong magnetic absorption at the keyboard position, and the keyboard won't move easily There is a slot to place your pencil device, don't worry about losing it (Not Included Pencil) Designed with a touchpad to instead of a mouse, it is convenient to use Slim and lightweight design, convenient for travel, business trip, etc. Specifications: Bluetooth: 3.0 standard interface Effective operating distance: 10 meters Modulation mode: GFSK Working voltage: 3.0-4.2V Working current: <2.5mA Standby Current: <0.3mA Sleep Current: <40uA Charging Current: >200mA Standby time: >100 days Charging time: 3-4 hours Lithium battery capacity: 200mAh Continuous working time: 100 hours Li-ion battery life: 3 years Key force: 80 ±10g Key life: 5 million clicks Operating temperature: -10 -﹢55℃ Touchpad: yes Charging port: Type-C