Supportive to USB Power source Usable with Mi Power banks with perfection Extremely portable and lightweight Sounds like a gentle breeze Supportive to all USB interfaces 20 hour run-time with 5000mAh Mi Power-banks 38 hour run-time with 10400mAh Mi Power-banks 62 hour run-time with 16000mAh Mi Power-banks Ultra-low power consumption Made of Eco-friendly silicone material