[Black Limited] Kans Ultra Compact 4000mAh Portable Charger External Battery Power Bank [PROMOTION] Save $3 (no coupon necessary) on this item when you purchase the White Version (ASIN:B00Y6X8VFS )Together. Buy for a friend or loved one and save together. [EXTREMELY LIGHTWEIGHT & SlIM] if you don't want to take a "brick" when you go to work,then this would be the best soulution for your daily charge.Portable, Super Slim, light wight and compact designs make it more convenient to carry in your pockets or purses. [1 DAY POWER ON THE GO]Add almost 2 charges to an iPhone SE / 6 / 5s, or one full charge to a iPhone 6 Plus / Galaxy S7/S6, Nexus 5X and other smartphones. [SAFETY PROTECTION]CE,Rohs&FCC Certified;built-in over charging,over discharging and short-circuiting protection smart IC;Built-in 4 LED indicators to show the charging status and battery level,ensure the safty use [12 Months Warranty]Package included:1*Black Version Power Bank+User Manual+Micro USB charging cable.For iPhone user,Please use your own original apple Lightning charging cable(Not Included).