... devices and battery charging, such as MP3, mobile phone, digital camera, personal digital handheld electronic products, LED light source illumination2, use method: ... 3 hoursF, portable game machine charging 1-3 hoursG, digital camera rechargeable 1-3 hoursH, notebook computer rechargeable 1-3 hoursBecause ... the open air, but not a long time in contact with the water, can not be directly into the water. ...