Features:* Simple looking, ultra thin body, lightweight and portable, easy for you to carry, convenient for travel and office.* Aluminum metal shell offers the best protection for your power bank, durable and anti-dirt.* Adopts high-quality lithium polymer battery, Xiaomi power bank 2 (5000mAh) will provide you enough power.* Support low current charging, double-click the button to turn on the two-hour current charging.* Anodic oxidation process to form a hard protective layer on the surface, wear and corrosion resistance.