The removable Bluetooth-compatible keyboard+leather case makes your tablet transform into a laptop in less than a second. Leather Case: •Made of skin-friendly PU material,and the back is made of anti-bending acrylic •Designed with drop-proof airbags,can effectively protect your tablet •Can be changed into a kickstand in seconds,supports multi-angle adjustment,and can be rotated in both directions •Supports smart auto wakeup/sleep design,which can effectively save power •With a built-in pen slot,the stylus pen is easily stored without worrying about losing it (stylus pen not included) Bluetooth-compatible Keyboard: •Bluetooth-compatible 3.0,upward compatible with 5.0 Bluetooth-compatible devices •Using high-speed chips,connect to Bluetooth-compatible devices in seconds •The keys are made of water drop round keycaps for comfortable and quiet typing •It is charged by a Micro USB cable,and it can be freely carried and used when fully charged Specification: •Battery material: lithium-polymer battery •Bluetooth-compatible: 3.0 (upward compatible with 3.0/4.0/5.0/5.1 Bluetooth-compatible devices) •Effective distance: 10 meters •Standby time: >100 days •Continuous working time: not less than 100 hours •Charging time: 2-3 hours •Lithium battery capacity: 280mAh •Lithium battery life: 2 years •Button life: 3 million clicks •Modulation method: GFSK •Working voltage: 3.0-4.2V •Working current: 4-8mA •Standby current: