Balvi - B:ON power bank for iPhone mobile phone. Small size, is also keyring. Capacity: 1200mAh - 40% - España
Keychain Portable Charger ,1500mAh Mini Power Emergency Pod Key Ring Cell Phone Charger,Ultra-Compact External Fast Charging Power Bank Battery Pack for iPhone,Android - Walmart.com
Rolling Square TAU® | Keyring emergency powerbank | Integrated cables | 3 different connections | Magnetic charging dock included