This comes with three interfaces, more versatile, Android Micro, iphone, type-c, USB socket, comes with 2.1A fast charging, four devices can be charged at the same time, no power outage troubles, small and thin, comes with a USB power cord, it also has a portable lanyard design, three colors for you to choose from, the polymer core is safe and durable, and can be taken on the plane! Can be customized company logo, is as a good choice for publicity, no one will refuse a portable and good charging treasure, if there is any idea of customization, please do not hesitate to contact us! Made from plastic material, measuring 3.5*3.5*1.18 inches, this custom mini round portable power bank 10000 mah. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: Compact size, lightweight, easy to carry.