Muddys 3-In-One Rechargeable Hand Warmers not only warms hands when temperatures get cold but also serve as a flashlight and USB power bank to charge phones, cameras, and more. Perfect for long sits on the stand, sporting events, or just to keep in the car in case of emergency. Four temperature settings allow users to adjust to what is most comfortable and a USB 2.0 power bank with built in overcharge protection will charge up the portable devices from anywhere at anytime. The LED ultra-bright flashlight can help guide hunters to their setup, aid in seeing while walking down hiking trails, fishing, camping, and more.