Feature: Note: 1.To connect the printer to the mobile phone, you must first turn onBluetoothandlocate. 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, and languages will continue to be added in the future; 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.