APP:Androidd downloads "Fun iprint" in Google Market IOS download "Fun iprint" in the application market Note: 1.To connect the printer to the mobile phone, you must first turn on Bluetooth and locate. 2.The sticker printing paper is sent by random, white or blue-white as following photo, the printing side is in white, and the bottom color has little difference, one is in white, one is in blue, but it doesn't affect printing. Power supply:built-in 1000mAh lithium battery Charging port:5V-MicroUSB Resolution:203dpi Printing method:thermal/no ink printing Development method:black and white Consumable specifications:57 * 30mm Networking mode:Bluetooth BLE4.0 Print media:thermal paper Support system:IOS, Android Network printing:support Uses:label printing, wrong title printing, photo printing, picture book DIY printing Print format:57mm Supported languages: Chinese, English, Korean, Japanese, Spanish, Portuguese, Russian, German, Italian, Thai, Traditional Chinese,