Multi-angle adjustable stand supports different viewing angles to meet your different visual experiences There is a hidden pen slot at the back of the protective case, which makes it easier to install and remove the pen and looks flatter All-inclusive soft plastic shell, soft and not hurting the tablet, easy to removeinstall This case allows full access to all features controls without removing the case Unique design, it is not only a Bluetooth keyboard protector but also a tablet protective case The Bluetooth 5.0 keyboard has a long-lasting button life, durable to use The keyboard has a built-in lithium battery, convenient to charge and use Can be converted to a supporting stand for hands-free movie watching and web surfing Slim and lightweight design, convenient for travel, business trip, etc. Specifications Bluetooth 5.0 Effective distance 10 meters Standby time 100 days Continuous working time 90 hours Charging time 2 hours Lithium battery capacity 250mAh Button life 5 million times Product size 255 x 195 x 23mm