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 local upgrade Equipped with Windows computer side drive.Bluetooth function It can be used for 5 - 7 after fully . The indicator light will be 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 Printing Effective printing width: 78 mm The density of 8 / mm, 384 / Printing character: ANK: 8 x 12, 16 x 24 GBK: 16 x 24, 24 x 24 Characters per 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 1-D: UPC-A, UPC-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 Deg.C Storage temperature: -20 - 70 Deg.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 of android app. if you to use your own app, we supply for you to it. If you 't 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 Only the above package content, other 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.