Specifications
| Number of pump heads | 4 |
| After matching effect | Noise reduction 10dB |
Packing list
Iron shell eliminating speaker x1
After-sales instructions
Warranty days: 365 days
1. The whole machine is guaranteed for 1 year;
2. The original factory provides after-sales service and related technical support;
3. Damage caused by improper use is not covered by the warranty.
[Note] For after-sales services outside the Chinese mainland, if the instrument requires repair, the shipping and possible associated taxes shall be borne by the sender. Generation address of the manual: http://en.nbchao.com/p/4409/Specification.html , which is only used by users who purchase commodities from the NBCHAO.