Elements by Celestron is a line of rechargeable electronic tools designed for the avid outdoorsman. They are water resistant, dust proof, crush proof and drop tested to withstand the abuses of the wild.The Celestron Elements ThermoCharge 6 is a rugged, ergonomic, 2-in-1 tool featuring a Hand Warmer and portable Power Bank. The power curve design allows for comfortable use in both your hands and a pocket, while also maximizing the contact points for heat transfer.The hand warmer is good for a full day of heat- up to 8 hours, at temperatures up to 114°F. The 6000 mAh rechargeable lithium battery can charge smartphones, tablets, sport cameras, MP3 players and other USB-powered devices. Dual out ports allow for charging 2 devices at once.The Celestron Elements ThermoCharge 6 is an indispensable addition to your adventure pack- never go into the wilderness without itFeatures- 2-in-1 Outdoor tool: Hand warmer and Power bank- Provides up to 8 hours of scent free heat- Ergonomic aluminum body with Power Curve design enhances heat transfer- IP65 rated water resistant and dust proof and drop tested tough- ready for any excursion- 6000 mAh rechargeable lithium battery charges smartphone, tablets, sports cameras, MP3 players and other USB -powered devices – C-Link feature allows for connecting other Celestron power banks to extend heat times up to 16 hours- Auto charge feature means no buttons to push- simply plug your device into the USB OUT port to begin charging – Includes 550 paracord strap with carabiner, soft carry bag and USB charging cableSpecificationsAccessories: 4″-550 paracord strap with carabiner, USB charging cable, soft carry pouchAuto Charge Feature: Plug into the standard USB port and the ThermoCharge 6 will automatically start to charge your device (drop the “just”)Battery Life: Hand Warmer F… Up to 8 hoursBattery Type/Size: Lithium Ion/ 6000 mAhC-Link Feature: Compatible with Celestron’s Power Tank GO and any other Celestron Elements device with a “charge out” feature. Extends heat time to up to 16 HOURS*Dimension: 51.34mm x 24.41mm x 102.9mmHand Warmer Temperature Range: Up to 114″FInput Charge Time: PC USB Port: 500 mAh 12 HOURSIP-65 Rating Breakdown: N.A.Power Curve Feature: Fits ergonomically in your hand ensuring full contact when using hand warmerPower Input: Mini USB POrt: (Celestron Smart Charge) 5V- 500mA to 1.8A maxPower Output: (1) USB PORT:5V-2.1AWeight: 168g/ 5.9oz.