【2-in-1 Bluetooth-Compatible Keyboard and Tablet Cover】Bluetooth-compatible keyboard and PU leather tablet protective case with 2-in-1 design 【Convertible Stand for Hands-Free Use】Can be converted to a supporting stand for hands-free movie watching and web browsing 【Stylus Pen Holder Loop】Includes a loop to secure your stylus pen, helping prevent loss (stylus not included) 【Durable Bluetooth-Compatible 3.0 Keyboard】Equipped with a long-lasting, durable keyboard featuring extended key life 【Rechargeable Lithium Battery】Built-in rechargeable lithium battery for convenient charging and extended use 【Slim and Lightweight Design】Sleek, lightweight design ideal for travel, business trips, and everyday portability Specifications: Model: AM31 Weight: 605g Product Dimensions: 27.5 x 18.3 x 2cm Bluetooth Version: 3.0 Effective Operating Distance: 10 meters Modulation Mode: GFSK Operating Voltage: 3.0–4.2V Operating Current: <2.5mA Standby Current: <0.3mA Sleep Current: <40uA Charging Current: >200mA Standby Time: >100 days Charging Time: 3–4 hours Battery Capacity: 200mAh Sustainable Working Time: 100 hours Battery Lifespan: 3 years Key Force: 80±10g Key Life: 5 million clicks Operating Temperature: -10°C to +55°C Charging Port: Type-C