・ Linking Method:Support wireless BT 4.0 connected with smartphone and USB cable connected with PC. Please follow the user guide to download relative APP(PeriPage)/driver on your devices ・ Printing All You Like:Support multiple functions,it can print photos,labels,messages,lists,records,QR Code,web printing and so on. The APP offers a variety of fonts and themes to make your photos stylish ・ Convenient for Your life:Can record the scenery you see,record his or her sweet words,collect the exercises you have done wrong,fun and practical ・ Environment Friendly:Built-in 1000mAh rechargeable battery,working in low noise,the thermal printer does not need ink cartridge when using,low operation cost ・ Thermal Paper Specs:Printer with high quality print head,can print 57mm(width)x30mm(roll diameter) thermal paper,203DPI resolution,good printing quality ・ Mini & Cute Appearance:Small and lightweight body,can be put in your pocket or bag,easy to take it anywhere. The best gift for students,office workers,lovers,friends,family Specifications: ・ Material:ABS + PC ・ Paper Type:Thermal paper ・ Connection:BT/USB ・ Input:5V,2A ・ Power Supply:Rechargeable lithium battery ・ Battery:1000mAh ・ Paper Width:57mm ・ Roll Diameter:30mm ・ Thermal Paper Compatible:Regular/Adhesive/Label ・ Resolution:203DPI ・ System Supported:Windows & Android & iOS ・ BT Version:4.0 ・ Item Size:7.9 * 7.9 * 4.2cm/3.1 * 3.1 * 1.7in ・ Item Weight(with paper roll):188g/6.6oz Compatible with: ・ iPhone iPad iPod etc. iOS devices ・ Samsung Sony HTC Huawei etc Android devices ・ Windows computers Note:Please read the user guide carefully when your start to use the product. Package included: ・1 x PERIPAGE Mini Pocket Wireless BT Thermal Printer ・Other things not included