Specification: Model:S1 Color: Blue, Pink, Green (Optional) Printing paper thickness: (0.08-0.2) mm Printing paper specifications: 30x15/30x30/30x40/30x50mm (plain paper/sticker/label paper) Printing life: 30KM Battery capacity: 1500mAh/3.7V Resolution: 203dpi Product size: 84x84x44mm Product weight: 145g Networking method: BT connection Print type: thermal printing APP: ios and Android Printing speed requirement: 10mm/s Print type: thermal printing Charging voltage: DC 5V/1A Packaging size: 86x102x45mm Package Weight: 200g/7oz Packing List: 1 x Label Printer 1 x Thermal Paper Roll 1 x Charging Cable 1 x User Manual [Versatile and Compact] This 57mm thermal printer is perfect for all your mobile printing needs, from labels and photos to lists and small receipts. Its compact design makes it a handy companion for on-the-go tasks. [Wide Range of Paper Sizes] Able to support multiple paper sizes such as 30x15/30x30/30x40/30x50mm, this pocket printer gives you the versatility to print on plain paper, stickers, and label paper, allowing for a wide range of applications. [Long-lasting Battery Life] Equipped with a built-in 1500mAh rechargeable lithium battery, it offers an impressive working time of 8-10 hours ensuring you stay productive throughout the day without the need for constant recharging. [User-friendly Connectivity and App Support] Easily connect your Android/iOS devices via BT function and enjoy seamless printing with our free APP – Luck Jingle. The app's intuitive interface makes printing quick and easy. [High-resolution Printing Quality] With a printing resolution of 203dpi, this pocket printer delivers crisp, clear images ensuring that your prints are not only high quality but also detailed and professional-looking.