Hands-free wearable design
USB-rechargeable lithium-ion battery
Battery level low-blinking power/speed indicator lets you know when it's time to recharge; can be charged while in use
Dimensions: measures approximately 7.9"L x 6.7"W x 2.36"H
Care: clean pre-filter every three months; light will blink when the pre-filter needs to be cleaned; after carefully cleaning (only by using a vacuum), press and hold the filter indicator button for five seconds and the indicator light will stop blinking
NEW ITEM IN ORIGINAL PACKAGE.
FULLY FUNCTIONAL AND COMPLETE.