Simple operation: Supports BT wireless connection, compatible with Android and iOS smartphones. Follow the user guide to download the relative app (PeriPage) on your smartphone, you can print anytime, anywhere when you connect properly.Massive models: label printing is more free, as it supports text, emoticon, barcode, QR code and time printing. The application has a large material bank, enriching your label creation. Supports continuous printing of small batches, very convenient to use. 2 power modes : can be powered by USB cable, easy access to any USB port such as computer, laptop, cell phone charger, power bank, etc. It can also be powered by 4 AAA batteries. (Batteries not included). The printer needs no ink cartridges when in use, low operating cost.Delicate and portable: beautiful color, small lightweight body, can be put in your pocket or bag, easy to carry anywhere. Best gift for students, employees, friends, family.