It’s lightweight,ideal for post offices,courier e*press companies,logistic and parcel shipping companies,packaging wholesalers,mail order companies,shipping supplies sellers,office stationery suppliers,online retail stores,home use.This power bank can automatically identify and charge most devices on the market. automatically adjust the output to deliver the most suitable current, keep your devices from overcharging, over-current, over-voltage and short circuit to protect the safety of your products.It can be very suitable to carry both outdoors and while traveling! Can be customized company logo, is as a good choice for publicity, no one will refuse a portable and good charging treasure.A customized logo is available Made from plastic material, measuring 3.9*2.6*1 inch, this custom 5000mah power bank with digital display. 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.