1. Material: plastic, electronic components
2. Drive mode: electric
3. Power source: USB power supply
4. Charging interface: 5V-MicroUSB
5. Connection method: Bluetooth BLE4.0
6. APP mode: support Android 4.4.4 and IOS8.0 and above systems
7. Built-in battery: 1000mAh lithium battery
8. Development method black and white
9. Color: blue, pink, green, white
10. Size: 9.3x8.9x4.1 cm
11. Weight: 149.5 g
12. Features: simple operation, clear printing, compact and portable