The plastic promotional business card power bank is an excellent marketing solution for your clients. The unique and innovative design with simple appearance make it a perfect promotional gifts, trade show gifts.
ABS card style mobile power supply is a very wise choice for promotional gifts, innovative design, simple appearance, although much thicker than our card usb flash drives, it is the same size with business card usb flash drives, put in your backpack or pocket, or even put inside your wallet, easy to carry.
