1Built-in Bluetooth 3.0 solar glowing keyboard 2.At the 200LUX intensity of light 3.the solar board can charge to Lithium bat
For iPad2 Solar Keyboard
Manufacturer Specifications:Bluetooth Specification: V2.0 standardSize: 9.3 inch (ABS keyboard)Distance of use: 10MOperating frequency: 2.4 GHz.Operating voltage; 3-5VCurrent: <5.0MAStandby current: 2.5MASleep Current: <200uAStandby time: 90DaysContinuous working time: 90HoursKey life: 500 million timesTemperature: -10-+55°CUninterrupted working time: 90 hoursStandby time: 45 days, Battery life: 3 yearsCharging time: up to 4.5 hoursLithium-ion battery capacity: Minimum 450 mAh
For iPad2 Solar Wireless Bluetooth Keyboard