Reviews: I am interested in the product, please send me the quotation.

Allfei: OK, thanks for your inquiry, i have sent you, please check. ( Feb 13, 2017 19:48 )

Reviews: What is the warranty?

Allfei: 1 year after-sales services. ( Mar 22, 2016 12:24 )

Reviews: Can this product be used as hearing aid.Not music.

Allfei: Sure it is. ( Apr 17, 2015 17:59 )