Specifications: EASY TO USE: Can be used to take post-conference notes, post-it notes, work planning, meeting notes, etc. Material: ABS + Metal Printing medium: Thermal paper Print Type: Ink-Free Printing Color: White Size: about 86 * 82 * 42 mm / 3.38 * 3.22 * 1.65 inches Paper Capacity Specifications: 2.08 x 1.18 in (53 x 30 mm) Package Weight: 190g Battery: 1,000 mAh lithium battery (built-in), can print 4 continuous sheets of paper Interface: 5V, Micro USB Connection: Bluetooth 4.0 Support System: iOS 8.0 + Android 4.0 and above Resolution: 203 dpi Network printing: support Automatic double sided printing: not supported Print Format: 2.08 in (53 mm) Package Iist: 1- Phomemo Pocket Printer 1-USB cable 1-Thermal Printing Paper (inside printer) 1-User Manual 1-Packing box Note: If the port is damaged, please lightly insert or pull out the charging cable. When charging is completed, pull out the cable. Do not charge or use your printer in high temperature, humid, foggy environment (bathroom, stream room, near fire), in case of dangerous dangerous. Improper charging method may cause damage to the printhead Do not touch the printhead with your finger when high high high temperatures. Be careful with sharp sharp blades. 【What we provided】 ★ 1:1 Email Guide To extend the life of your printer's battery, please charge it immediately when the printer indicator light turns red. If you don't use it for a long time, please remember to charge it regularly.