1. Product name:USB small oxygen pump
2. Material: plastic + electronics
3. Weight: 100g
4. Color: blue, green
5. Size: 8*4*3cm, power cord 1.4m, trachea 1m
6. Power: 1W
7. Voltage: 5V
8. Air volume: 2L
9. Product features:
1) Various environments, easy to increase oxygen, portable and practical, easy to carry
2) Enlarged and thickened copper core wire, fast conduction, durable
3) Fine foaming, wider range and good mute effect