Bluetooth function, low noise and high speed printingEquipped with Windows computer side driver, support local upgradeExquisite and lightweight structure, easy to carry 1-D: UPC-A, UPC-E, -13, -8, CODE39, ITF25, CODABAR, CODE93, CODE128; 2-D: QR codeEquipped with capacity rechargeable lithium battery 7.4V, 2500mAh battery, can be used for 5-7 after fully . The indicator light will be on when charging, and the indicator light will be off after chargingProduct name: -3F thermal printerMaterial: ABSColour: BlackPrinting media: thermal paperInterface: Bluetooth bluetoothEffective printing width: 78 mmDensity: 8/mm, 384 points/Printed characters: ANK: 8 x 12, 16 x 24 GBK: 16 x 24, 24 x 24Characters per ANK: 48,32 GBK: 24,16Paper type: Thermal label paperPaper width: 80mmDrum diameter: 40 mmRoll core diameter 15mm (minimum)Paper thickness: 0.12mmPrint head life: 50 kmInstruction set: ESC/Power supply: AC110-220V/1.0APrinting speed: 90mm/sSupport system: Windows/iOS/AndroidPlug Type:US Plug,it applies to Canada, ,Mexico, Thailand, the , the Philippines,Taiwan and so on.Package Contents:1 x -3F Mini 80mm Bluetooth thermal printer1 x roll paper1 adapter (US Plug)1 x Printer cover1 x USB cableOnly 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.