The stylish Powerbank Circle 4000 is a high capacity portable charger with high performance Lithium-ion cell. Charge your phone on-the-go! The power bank will charge any device that supports USB charging by matched discharge output cable and plus adapter. Compatible with various phone brands and other electronic gadgets - as long as they can be charged through a USB portal. It is safe, reliable and perfect when traveling and outdoor activities. Specifications: Output 5V1000mah Input 5V1000maA One USB output Net Weight 300g