FiiO SK-M21C Cassette-Style Protective Case for M21 cable with mic we have created a true

we have created a true marvel of audio engineering that uniquely combines technology

It also runs on USB bus power

It is lightweight and highly elastic and stretchable

4mm to Twin cable

FiiO SK-M21C Cassette-Style Protective Case for M21 cable with mic we have created a trueSK M21C Cassette Style Case for M21 Two colors available Retro cassette shape Contact linkage Magnetic opening and closing Inner padding Start your retro musical journey with the M21 A retro cassette style case custom made for the M21, with precisely cut openings and a perfect fit. The case are made of specially selected high toughness and polycarbonate materials, high transparency giving it a pure, attractive look while making it light and portable.