Magnetic Attachment Secure magnetic connection ensures stable and reliable attachment for easy use without risk of detachment Multifunctional Touchpad Integrated touchpad supports gesture controls such as scrolling and app switching for smooth operation Scissor-Switch Keys Responsive scissor-switch mechanism provides a comfortable, quiet typing experience with consistent key rebound Dual-Sided Protection Protective sleeve offers front and back coverage to help protect your tablet from scratches and impacts High-Quality Materials Durable PU leather and aluminum alloy construction provide long-lasting use and a premium feel Specifications: Bluetooth Version: 5.3 Working Voltage: 3.0 - 4.2V Number of Keys: 64 Continuous Working Time: 5 hours Working Current: 85 - 120mA Standby Current: 1mA Low Battery Alert: 3.0 - 3.3V Battery Capacity: 500mAh Standby Time: