If you have any question on this product, please communicate with us before place order. Technical parameters1. Operating distance to 10 meters2. Working voltage: 3.7V3. Working Current: 2.5-3.5mA4. Sleep current : !#!lt!*!0.2A5. Charging Time: 3hours6. Lithium battery capacity: 150mAh7. Continuous working time: 80HoursProduct Features1. F1+, flip plastic Bluetooth keyboard, designed for iPad mini4, mini5, same series F1 is for iPadmini1/2/3.2. ABS plastic material is sprayed on the surface, and the cover is covered with a protective cover to protect the iPad.3.Easy to carry, comfortable scissors foot button.4.Intelligent sleep saves power.Packing List1* keyboard, 1* charging cable, 1*manual