It's easy to use. Just download the application: iPrint and open the Bluetooth connection. Features: Bluetooth 4.0 connection, the phone connects to the cloud for printing through the App. Memo, record, message, friend sharing. Super small size, easy to storage it in your handbag. Strong compatibility, suitable for various brand of phones. The user see all the content information on the phone screen can be print instantly. Descriptions: 1000mAh rechargeable lithium-ion battery, continuously working for 24 hours, 1.5 hours charging time and 1 week standby time •100% Genuine •No Ink •Great Mobility •Bluetooth V4.0 •Built-in Battery: 1000mAh (Can print 40 meters of paper length when fully charged) •Printing: Thermal Printer •Paper Width: 57mm •Printing Width: 25mm •Printing Speed: 14.04mm/s •Recharging: Micro USB •Temperature: 0~50ºC •Compatible: iOS/Android •Application: iPrint •Size: 8.3x8.3x4.5cm(Product), 12.3x10.6x5cm(Packaging) •Weight: 160g(Net), 240g(Gross) •Package Included:1 Printer, Micro USB Cable, 1 Roll Thermal Paper, Manual Happy Shopping!😉 SHOP POLICY: ✅ Strictly NO CANCELLATION of orders after check out and while in transit ✅ We shipped your order within 1-2 working days ✅ We accept returns if it was our fault ( CHANGE OF MIND IS NOT APPLICABLE ) 💕 Disclaimer 💕 ❣ Seller will not be held accountable for any damages held during shipment. Thus, returns due to scratches, folds and damage boxes of items may not be entertained. Feedback 👍🏻 Please kindly leave us a positive feedback (5 stars) , if you are satisfied with our items. 👍🏻 You could share with your friends on your Social Media Accounts 👍🏻 Please contact us before leaving any negative feedback or open a dispute on Shopee. 👍🏻 Please give us the opportunity to resolve any problem. LIKE & FOLLOW US FOR UPDATES! 👍🏻 HAPPY SHOPEE-ING!