This SmartAir HUMI Hand Warmer is the perfect accompaniment to your SmartAir HUMI Personal Fan by Drew&Cole. Whether there’s two of you wanting to warm your hands, or if you just want one for each pocket, a second HUMI Hand Warmer is the perfect companion to your HUMI! HUMI Personal Fan sold separately Easy to use: simply warm this attachment on the front of your HUMI and take it with you. Up to 45 minutes of heat: keeping you toasty wherever you are.   This product is covered by our 30 Day Money Back Guarantee (Terms & Conditions Apply).