Generic Samsung Galaxy Tab A9+ (11') Keyboard Case Black
Whats in the Box : 
PU Protective Folging Leather Case
Removable Wireless 3.0 ABS Keyboard
With Rechargeable Lithium Battery
USB Power Charging Cable
User Guide
Features :
Magnetic Removable Keyboard
Converts from to Stand
Stylish PU Leather Covering
Front & Rear Facing Camera Holes
Specifications :
Built-In Lithium Polymer Battery Capacity :200mAh
Voltage : 3.7V Power Charge Connector
Input : Micro USB Charge 5V
Standby Time : >100 Days
Charging Time : 3-4 Hours
Uninterrupted Working Time : 100 Hours
Working Distance : 10 Meters 
Modulation System : GFSK