Leather Case: The combination of leather cover and keyboard makes your tablet a laptop for convenient carrying and using Quality PU leather combined with a hard PC bottom case, great drop resistance and shock absorption Three-angle adjustment, with grooves on the bottom, can set the support stable Easy-open clasp, open and close with the side magnetic clasp Keyboard: It is made of high-quality ABS and metal material, strong and durable, and has a long service life Wireless Bluetooth 5.0 connection, easy to use and wide compatibility, stable connection It can be charged with a Type-C cable which comes with the keyboard 200mAh battery capacity, enough for daily use Ultra-thin and lightweight design, portable and compact Steps of Bluetooth Connection: Turn the power switch to the ON side, the power indicator light will turn on for 3 seconds and then turn off Press the CONNECT key on the back to enter the Bluetooth pairing mode, the Bluetooth pairing indicator (blue) keeps flashing Specifications: Case material: PU leather + PC Keyboard material: ABS + metal Working voltage: 3.3V~4.2V Working current: ≤12mA Sleep current: ≤0.2mA Low voltage alarm voltage: 3.3V Lithium battery specification: 3.7V/200mAh Click force strength: 60g±20g Key life: 3 million clicks Wake-up time: ≤3 seconds Effective distance of connection: 10m Reconnection time: ≤3 seconds Whether to input connection pairing: Yes Working temperature: -10℃~+55℃