Note:1. To connect the printer to the mobile phone, you need to turn on Bluetooth and locate first.2.Sticker printing paper is sent randomly, white or blue-white as below photo, printing side is blank and bottom color has little difference, one is blank, one is on blue, but does not affect printing.Product characteristics:Advanced thermal printing technology, no ink cartridge, convenient and cost saving.Built-in 1000mAh rechargeable batteries, running with low noise, thermal printer doesn't need ink cartridge when using, low operation cost.200dpi high resolution print head, clear printing and stable performance.Support multiple functions, you can print photos, labels, messages, lists, records, QR code, web printing, etc. The app offers a variety of fonts and themes to make your photos stylish.Record your life, print the scenery you see, record your sweet words, collect the exercises you have done wrong, fun and practical.Light and compact size, easy to carry.Product specifications:Material: ABSColor: Pink, Green(Optional)Printing type: thermal printingInput: 5V,1AResolution: 200dpiConnection: Bluetooth/USBBatteries: 3.7V, 1000mAhPaper width: 57mmRoll diameter: 30mmPackage size: 153*107*44mm/6.02*4.21*0.5inPackage Weight: 230g / 8.11ozPacking list:1 * printer1x paper roll1x USB Cable