Dual Material Protection PU leather surface combined with an acrylic inner case offers dual-layer protection, safeguarding your device from daily wear and tear 360-Degree Rotating Stand Provides flexible viewing and typing angles, ensuring maximum comfort for various tasks like studying, working, or watching videos Built-In Pencil Slot Features a dedicated pencil slot to securely hold your pencil and prevent loss (pencil not included) Detachable Magnetic Keyboard Comes with a detachable magnetic wireless keyboard, offering convenience for studying or working while maintaining flexibility Smart Auto Wake/Sleep Function Folio-style design with auto wake/sleep functionality to save power and extend battery life Full-Body Protection Offers comprehensive front and back protection to keep your device safe from scratches, bumps, and impacts Specification: Battery: 150mAh Standard: Complies with Bluetooth 3.0 + HS standard Effective Distance: Over 10 meters Working Voltage: 3.0–5V Standby Current: 20μA Charging Current: ≥100mA Key Pressure: 80±10g Operating Temperature: -10 to 55°C Compatible Systems: Compatible with iOS, Android, and Windows universal keyboards Quality Certification: Includes BQB, FCC, and CE certifications Modulation Method: 2.4GHz Working Current: <4.0mA Sleep Current: <2μA Standby Time: Over 100 days Keystroke Life: Up to 5 million presses Humidity: 20%–50%