Power supply:built-in 1000mAh lithium battery
Charging port: 5V-MicroUSB
Resolution:203dpi
Printing method:thermal/no ink printing
Development method:black and white
Consumable specifications:57 * 30mm
Networking mode:Bluetooth BLE4.0
Print media:thermal paper
Support system:IOS, Android
Network printing:support
Uses:label printing, wrong title printing, photo printing, picture book DIY printing
Print format:57mm