1. Material: ABS 2. No contact 3. Rapid bubbling in 0.26 seconds 4. Increase the caliber, more convenient to replace 5. Power supply: USB charging, 500 mAh lithium battery 6. Inclined nozzle, foam non-stick machine 7. Reminder of breathing light status 8. Dimensions: 98x78x208mm 9. Capacity: 280ml 10. Unit weight: 0.75kg