2 Pack of Muddy 3 in one hand warmers which can be used as a USB power bank and flashlight also. Hand warmers provide up to 24 hours of consistent heat and have 4 temperature settings. USB power bank has a USB 2.0 charger port for mobile devices and built in over charge protection. Both hand warmers include a built in, bright emergency flashlight and durable IPX5 waterproof housing. Includes USB to USB-C charging cable.