---Mini printer, 4.3 x 3.1 x 1.4 inches, 160 grams, can be put in a pocket or bag, compact and easy to carry; built-in 1000mAh rechargeable battery, the pocket printer can be used for 6-8 hours or a week of standby, ideal for recording beautiful things anytime, anywhere A good companion for memories. --- Premium inkless mini photo printer thermal print head for clear printing; reliable 203 dpi black and white image and text print quality. Note: Please print clear photos; in order to maintain good printing results, please remember to charge the receipt printer regularly. --Supports mobile phone wireless BT 4.0, can easily and quickly connect to iPhone printer in seconds. Just turn on Bluetooth on your phone and open the "iprint" app, it's easy to use, check the instructions and follow them. --- One-click printing, iPhone Bluetooth printer supports photo printing, web page printing, QR code, diary, photo album, storage label, memo, and list. The portable photo printer for iPhone is a perfect Christmas and New Year gift for students, office workers, girlfriends, lovers, friends, and family.