Backup Battery: 3400mah capacity with one standard USB port(5V/1A) can effectively provide over one charge to iPhone 6 6s 5 4 (14 hours talktime), almost full charge of Samsung S6 and other type smartphones.
Compact Portable Charger: Pocket-sized design(4*1 in,2.3oz.cylinder) with a convenient keychain Micro USB cable for free, smaller and lighter than same capacity battery can be easy to carry on the go
Battery Pack: Built with premium LG cells grade A+ battery cells certified for over 500 recharge cycles. High quality battery, mini but powerful
Safety Certificate: Intelligent charging technology can automatically stops charging when your device is fully charged to prevent excessive current, overheating, and overcharging, the high quality PC/ABS shell can effectively prevent high temperature and the risk of leakage
What You Get: Dofly 3400mAh portable cell phone charger, keychain Micro USB cable(black), Velvet bag, user guide, worry-free 18-month warranty and friendly customer service