1. Waterproof grade: IPX5 2. Working environment: 5 degrees -40 degrees 3. Water tank capacity: 400ml 4. Sewage tank capacity: 400ml 5. Battery voltage: 3.7V 6. Battery: built-in lithium battery 7. Charging input: 1DC 5V/2A 8. Charging port: Type-C 9. Curved earmuffs, TPE material. 10. Fits the skin and is not easy to leak. 11. Double-layer design, two-way water outlet. 12. It can adjust its own adaptive mode, clean the ear canal, mild and non-irritating.
