What is MFi Certified? How to verify?
MFi Program ("Made for iPhone/iPod/iPad") is a licensing program for developers of hardware and software peripherals that work with Apple's iPod, iPad and iPhone. "Made for iPod," "Made for iPhone," and "Made for iPad" mean that an electronic accessory has been designed to connect specifically to iPod, iPhone, or iPad, respectively, and has been certified by the developer to meet Apple performance standards.
Please click here to verify: https://mfi.apple.com/account/accessory-search
You can choose 'Model, Brand or UPC/EAN' to verify from Apple MFi online inquiring system, it will show you the Apple official certified informations you need.
Do the headphones have a built-in mic for making or answering calls?
Yes, These headphones have a built-in mic, you can make or answer calls.
Are these earbuds marked as left and right ear?
Yes, they are marked below earpieces but not conspicuous.
Are they friendly to people who have small ears?
They are attached with 3 x Pairs of ergonomic eartip fittings (S, M, L), among them you will find the most fit ones.
Can I wake up Siri with the controller?
Yes. Long press the main button of the controller to wake up Siri.
Are they waterproof? Can I wear them for swimming?
No, these in-cord earphones are not waterproof, cannot be weared for swimming. But you can wear them for daily sports, like jogging, riding a bike. They are sweat proof.