2-in-1 design, Bluetooth keyboard combined with PU+TPU tablet caseThe Bluetooth 3.0 keyboard has a long-lasting button life, is durable to useThe keyboard has a built-in 200mAh lithium battery, convenient to charge and useCan be converted to a supporting stand for hands-free movie watching and web surfingThere is a slot to place your pencil device, don't worry about losing it (Not including pencil)The integrated touchpad allows multi-gesture controls that easily achieve all the functionsSlim and lightweight design, convenient for travel, business trips, etc. Specifications: Bluetooth: 3.0 standard interfaceEffective operating distance: 10 metersModulation mode: GFSKWorking voltage: 3.0-4.2VWorking current: <2.5mAStandby current: <0.3mASleep current: <40uACharging current: >200mAStandby time: >100 daysCharging time: 3-4 hoursLithium battery capacity: 200mAhContinuous working time: 100 hoursLi-ion battery life: 3 yearsKey force: 80 ±10gKey life: 5 million clicksOperating temperature: -10 to 55Touchpad: Yes Compatible with: Galaxy Tab A9+ Package included: 1 x Bluetooth Keyboard 1 x Leather Case 1 x Charging Cable 1 x English and Chinese User Manual Other items not included