Hummm Sound

Shipping

• How can I track my order?
• How long is the delivery?
• How much is the shipping cost?
• Do you offer free shipping?
• Where do you ship?

Purchasing Hummm Sound

• How to purchase the Hummm Sound?
• Can I be a reseller?
• What is the minimum quantity for purchase?

Product Care

• How to take care of the earplug?
• What to use to clean it up?
• How do I clean Hummm Sound ear plugs?

Product Information

• What comes in the packaging?
• Does Hummm Sound help with tinnitus?
• Where and when can Hummm Sound be used?
• Is there any certification or test?
• Is it safe for children?
• How do I select the fit size for myself?

See all 16 articles