... order to use the constant Kay solar cell1, applications: for handheld devices and battery charging, such as MP3, mobile phone, ... digital camera, personal digital handheld electronic products, LED light source illumination2, use method: according to ... -3 hoursE, MP3 player charging 1-3 hoursF, portable game machine charging 1-3 hoursG, digital camera rechargeable 1-3 ...