ADVANTAGE: Exquisite and portable, handheld size but high capacity(10000mAh). Unique Anti-Fingerprints design, more cleanly on its surface when you hold it in any places. STRUCTURE: output with Type-C/ USB-C port,5V 2Amp or 1Amp smart conversion,allows charging of your GoPro Hero 5, MacBook, iPhone,iPad,Samsung Galaxy, Google Nexus 7,Kindle,HTC and more at high speed. INTELLIGENT SAFETY PROTECTION: Supports over-charged, over-discharged, over-voltage, over-current and short circuit protection, more safe to use. ADDITIONAL FEATURES: Backup flashlight, will be a good helper if you need an emergent light like camping, hiking and any emergency occasions. ELECTRICAL PARAMETERS: Input: DC5V/2A, Output: DC5V/1A&2.1A.