Quickly top up all of your devices with the Fast-Charging USB Power Bank. Featuring a powerful 20,000 mAh high-capacity power bank, this impressive device can charge three smartphones at the same time. Thanks to the PD flash charging technology, it can actually charge your gadgets faster than traditional charging methods. Additionally, the self-adapting nature of the power bank will allow it to blend with the needs of the device. As a result, it delivers the optimal charging speed automatically for safer yet efficient charging. The portable sling design adds a touch of style to the overall design of the power bank and makes it a perfect everyday carry. From your iPhone to your MacBook, this little power bank has enough juice to power your devices anytime and anywhere you go.