DUX DUCIS [DK] Series Keyboard Case, Designed for Samsung Tab S9 FE Plus 12.4" Detachable Touchpad Bluetooth Keyboard Charging, 80H Working Time, Tablet Leather Cover - Arabic / English Layout - Black: Specification:Bluetooth Vversion: Bluetooth 5.0Working Distance: ≤10 MetersCharging Port: USB-CMaterials: PU Leather+TPUOperating Temperature: -10~55℃Working Voltage: 3.0~4.2VCharging Time: 2~3 HoursCharging Current: <200mABattery Capacity: 280~420mAhStandby Time: About 120 daysContinuous