Packing list: 
<br />1 x Bluetooth Thermal Printer (built-in lithium battery)
<br />1 x English manual 
<br />1 x Adapter 
<br />
<br />Specifications:
<br />Color: Black
<br />Material: plastic shell
<br />Adapter input: AC100-240V, 50/60HZ
<br />Adapter output: DC9V, 1.5A
<br />Plug: US plug
<br />Battery: built-in 2 x 18650 rechargeable lithium battery (included)
<br />Charging voltage: DC 9V
<br />Charging time: 3 hours
<br />Use time: 8 hours
<br />Bluetooth version: 4.0
<br />Bluetooth distance: 8 meters
<br />Printing density: 384 points / line
<br />Printing paper width: 58mm
<br />Installation paper size: paper roll: diameter 50mm
<br />Paper thickness: 0.06-0.08mm
<br />Interface: USB2.0, RJ11 interface, micro USB interface
<br />Function: Bluetooth connection, RJ11 interface connection, mobile phone charging
<br />Print command: ESC / POS
<br />Barcode type: CODE39 / CODE128
<br />Product Size: 15.5 * 8.5 * 6cm
<br />Net weight: 398g
<br />Gross weight: 552g