Yubi Power - Family Pack - YP250A 2500mah Ultra Compact Lipstick Size Portable Power Bank Backup External Battery Charger for iPhone, iPad, iPod, Samsung, Motorola, LG, HTC and many other Smartphones / Tablets / MP3 Players / E-Readers - [Stylish and Tiny 3.70 X 0.86 X 0.86 Inch Dimensions] 4 Colors (4 - Pack) Enjoy the variety of 4 different colors to match your purse. Makes a great gift! Capacity; Add 8 hours of talk time or one full charge to your iPhone 4 / 4S / 3G / 3GS; Add 80+ hours of audio playback or a full charge to the battery life of most mobile phone. Grade A cell ensures high quality; LED indicator with three colors shows the current battery state Includes a 1 Year Limited Warranty