Main Features: Exquisite and lightweight structure, easy to carry.Low noise and high-speed printing .Equipped with capacity rechargeable lithium battery 7.4V, 1500mAh.Support the client local upgrade Equipped with Windows computer side drive.Bluetooth function It can be used for 5 - 7 after fully . The indicator light will be bright when it is charging and the light will be off when it fully Plug Type:US Plug,it applies to Canada, , Japan, Mexico, Thailand, the , the Philippines and so on. Detailed specification: Print : Thermal Line Printing Effective printing width: 78 mm The density of 8 / mm, 384 point / line Printing character: ANK: 8 x 12, 16 x 24 GBK: 16 x 24, 24 x 24 Characters per line ANK: 48, 32 GBK: 24, 16 Paper type: Thermal label paper Paper width: 80mm Roll diameter: 40 mm Roll core diameter of 15mm (minimum) Paper thickness: 0.12mm Print head life: 50 kilometers Barcode 1-D: -A, -E, -13, -8, CODE39, ITF25, CODABAR, CODE93, CODE128 2-D: QR Code Instruction set: ESC / Power supply: AC100-250V / 1.0A Working temperature: -10 - 50 .C Storage temperature: -20 - 70 .C Work humidity: 20 - 85 percent Storage humidity: 5 - 95 percent Model: - 3 Print speed: 90mm / s Product size: 11.60 x 12.30 x 5.40 cm / 4.57 x 4.84 x 2.13 inches This printer work with the most of android app. if you to use your own app, we supply to it. If you ' know how to it, we suggest you use android. Color: black + blue material: plastic Packing Contents: 1 x - 3 Mini 80mm Bluetooth Thermal Printer 1 x Rechargeable Battery 1 x Roll of Paper 1 x Power Adapter 1 x Printer Cover 1 x USB Cable 1 x Bilingual Manual in English and Chinese Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.