Description 100% brand new and high quality Material:Polyester Size: 20*13CM Input voltage/current: 5V/1A Charging method: USB interface Charging time: 2 hours Use time: 4 hours Colour:As shown Quantity:1 pcs Technical features Voice recognition animation function, key switch to switch multiple animation display Long-life battery, up to 500 cycles or more Use energy-saving, high-power and long-life LED lamp beads Charging protection, charging display battery pattern charging status, full charge display. ·Long press the switch button for three seconds to turn on, long press the switch button again for three seconds to turn off the power Quality is the first with best service. customers all are our friends. Fashion design,100% Brand New,high quality! Note: As different computers display colors differently, the color of the actual item may vary slightly from the above images. Since the size is measured by hand, there will be an error of 1-3cm, please don't mind Package Included: 1 pcs mask 1 pcs usb line or 10 kids Filter(Without Mask)