Mobile Battery, 20,000 mAh, Large Capacity, 0.6 inch (16 mm) Thin, PD 20W Fast Charging, Ultra Lightweight, Compact, Supports QC3.0 LED Status Display, Simultaneously Charging, Smartphone Charger, Mobile Charger, Compatible with Various Smartphones, PSE Certified, Safe Circuit Protection, Carry-on Compatible, Travel, Business Trips, Outdoors, Camping, Power Outages, Disaster Prevention, Japanese Instruction Manual (English Language Not Guaranteed)