Meet the JOOSTCUBE: a tiny power bank that lets you charge your Apple Watch on the go. The 1500 mAh battery is powerful enough to charge your smartphone up to 5 times. The JOOSTCUBE is shock resistant and does not require a cable to work. It measures 35 x 35 x 35 mm. You can charge it using a Micro USB cable.
The JOOSTCUBE is available in 8 colors. It is compact enough for you to take it with you everywhere. More information is available on Indiegogo.