Lenovo Tab M10 HD (2. Gen.) 10.1" (TB-X306F) Keyboard Cover from Tech-Protect which provides good protection for your tablet.

Detachable Magnetic Bluetooth Keyboard
The cover comes with a removable keyboard. The keyboard is attached to the "flip" part with a strong magnet and connects to your device via Bluetooth. It can be charged with the included microUSB cable (wall charger not included). 

This case is made of imitation leather, while the inside has microfiber lining. This combination ensures that your iPad is well protected from scratches, bumps and scratches.

This Lenovo Tab M10 HD (2. Gen.) 10.1" (TB-X306F) keyboard from Tech-Protect has an expected working time of 140 hours on a single charge and up to 180 days on standby.