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Portable Hand Warmer: Double-sided heating with two adjustable temperature settings transmit heat to your hands and joint under a high efficiency, fast heating in 5 seconds. BigBlue rechargeable hand warmer is an ideal solution for outdoor enthusiasts in winter or the suffers from Raynaud's Syndrome, and you can easily take it anywhere you want.
Safe to Use: Used as a 6000mAh portable battery charger to charge your digital devices via USB, including mobile phones, tablets, digital cameras, etc. (It can’t charge an external device and warm your hands simultaneously). With overcharging, overheating and short circuit protection, BigBlue rechargebale hand warmes ensure 100% safe use without burning your skin.
Ergonomic & Sleek Desige: Palm-sized heater with smooth edge can be firmly gripped and offer a better holding experience. High-quality aluminum shell is rugged enough for sporting, fishing, camping or other outdoor activities, and it is compact enough to fit in your pack, pocket or glove compartment.
Reusable and Environmental: This 6000mAh usb hand warmer can be charged from a USB port on a laptop or wall outlet. Throw away those disposable battery charger! Choose a reusable way to warm your hands. A neat little-LED flashlight is also integrated, just long press the button in the side to find your way in the darkness.
A Perfect Gift: As a Winter gift or Christmas gift, give your warm and care to your parents or girl&boy friend in this winter. What You Get:1 x 6000mAh Pocket Hand Wamrer, 1 x Micro USB Cable, 1x User Manual and Worry-free Customer Services