AM27-AS For Lenovo Tab K11 Plus Leather+TPU Tablet Cover with Backlit Touchpad Bluetooth Keyboard• 【2-in-1 Bluetooth Keyboard and Tablet Cover】Bluetooth keyboard and PU leather+TPU tablet protective cover 2-in-1 design• 【Convertible Stand for Hands-Free Use】Can be converted to a supporting stand for hands-free movie watching and web surfing• 【Built-In Stylus Pen Loop】There is a loop to place your stylus pen,don't worry about losing it (not Included stylus)• 【Durable Bluetooth 3.0 Keyboard】The Bluetooth 3.0 keyboard has long-lasting button life,durable to use• 【Built-in Touchpad】With a built-in touchpad function,it will offer a great aid when you do not have a mouse in hand• 【Rechargeable Lithium Battery】The keyboard has built-in lithium battery,convenient to charge and use• 【Backlit Design】The keyboard is designed with 3 colors backlit for convenient use at night• 【Slim and Lightweight Design】Slim and lightweight design,convenient for travel,business trips,etc. Specifications:• Model: AM27-AS• Weight: 605g• Product size: 27.5*18.3*2cm• Bluetooth version: 3.0• Effective operating distance: 10 meters• Modulation mode: GFSK• Operating voltage: 3.0-4.2V• Operating current: