From a promotional perspective, the cool thing about the Origaudio Black Juicebox 4400mAh Power Bank is that it gives you a backlit LED imprint area for your custom logo making sure it stays visible even in low-light. The logo remains illuminated even during charging. Highlights include sleek design, short-circuit protection, and indicator lights. It comes in a creative juice box packaging that recipients carry everywhere they go, giving your logo or brand name extra exposure. <details open=""><ul><li>Primary decoration method: full color digital</li><li>Imprint location is centered on illuminating dome on power bank with an imprint dimension of 1.96" x 1.18"</li><li> one full color digital imprint and one location</li><li>4400mAh lithium-ion battery</li><li>Illuminated logo when device is charging</li><li>Includes micro-USB charging cable</li><li>Built-in short circuit and surge protection</li><li>Sleek design for portability</li><li>Premium packaging with straw on the back</li><li>Indicator lights show power levels</li><li>Dimensions: 1.7" x 3.5" x 0.9"</li></ul></details>