Description:<br> MaterIals: ABS Negative oxygen ion: 5x10inos\/cm Working voice: &amp;lt;40db Air-out: 25m\/h Power: USB\/DC5V\/&amp;lt;1W Input Voltage: DC 5v +\/- 0.05 Capacity:4500mAh Output Current: 5v\/1A Input charging time: 7-9 hours Size: 162x34x58MM  It can sterilize， dustfall， purified air， clear secondhand smoke， improve sleep quality Suitable for in the Car， office，bedroom and so on...<br>  <br> Package Include: 1 x 4500Mah Power Bank \/Oxygen Bar 1 x USB Cable  More Details: