Removable Bluetooth keyboard leather case makes your tablet transform into a laptop in less than a second Easy-open clasp, open and close with the side magnetic clasp This book folio cover can be folded as a stand for an adjustable viewing angle to free your hand Prevent your device from shocks, drops, and scratches Built-in elastic strap on the side for storing the stylus pen stylus pen not included Wireless Bluetooth 3.0 connection, easy to use and wide compatibility, stable connection Built-in touch mouse ensures flexible operation, cost-effective Specifications Bluetooth Bluetooth 3.0 standard interface Effective operating distance 10 meters Modulation system GFSK Working voltage 3.0-4.2V Working current lt2.5mA Standby current lt0.3mA Sleep current lt40muA Charging current gt200mA Standby time gt100 days Charging time 3-4 hours Lithium battery capacity 200mAh Sustainable working hours 100 hours Lithium battery life 3 years Button force 80plusmn10g Button life 5 million clicks Working temperature -10 - 55 Certificate MSDS Compatible with Samsung Galaxy Tab A 8.0 2021 SM-X205X200