Smart mini usb household and car ozone air purifier

1.Q:About Shipping

     A:By sea or air due to heavy weight. Samples will be send by DHL, Fedex. etc

2. Q: How long is your guarantee Period?

     A: We uaually offer 1 year guarantee for our general products.
3. Q: How can I get the samples?
     A:We can provide a sample free of charge, but you need pay the delivery fee.
4. Q; What is your MOQ?
     A: 1-100pcs,according to product characteristics.