POWER Solar Power Bank - 40000 mAh Wireless

Product features 1, super waterproof grade (IP66) 2, waterproof, dustproof, shockproof, functional 3, built-in lithium-ion polymer battery A (explosion-proof) 4, external high-efficiency solar panel, super conversion efficiency up to 15% 5, composite materials, flame retardant PC materials, safe and worry-free 6, using super bright LED double light, design and SOS emergency signal light (super light) 7, dual USB interface, over-current and over-discharge short circuit protection (device safety) 8, imported digital chip, high conversion speed, energy storage