... Private fashion and portable design.Compatibility-Mobile Phone, PSP, I PHONE,I PAD,I POD,MP3,MP4,PMP, GPS, Bluetooth,Digital Camera,etc ... longer flash, the second light start flashing.After charge to 50% - 75% battery capacity, the second lights also no longer flash, ... 500 charge and discharge circlesMeasure-110 x 75 x 16MMCompatibility-Mobile Phone, PSP, IPHONE,I PAD,IPOD,MP3,MP4,PMP, GPS, Bluetooth ...