Charge your smartphone with the World's Smallest Wearable 1000mAh PowerBank, Charge & Data Cable on Keychain always with you. Designed for iOS (MFi) & Android. Small & Light - 2,1" (5,5 cm) in length, 1,3 ounce (38 grams) in weight. Just plug in your phone to get emergency power boost. Simple solution, no more tangled cables. With its 2nd successful Indiegogo campaign, CulCharge is the first in crowdfunding industry to offer 100% money-back guarantee. Already trusted by mobile users from 71 countries. Always be Powered with CulCharge.