FiiO SK-M21C Cassette-Style Protective Case for M21 Color:Blue 8g (USB A-C adapter)

8g (USB A-C adapter)

Transform your Sennheiser IE Series IEMs with the Vienna

and control of electrostatic drivers

The HE1000se retains HIFIMAN’s patented “Window Shade” open-back design

so you can talk with others or stay aware of your surroundings—all without taking your earbuds out

FiiO SK-M21C Cassette-Style Protective Case for M21 Color:Blue 8g (USB A-C adapter)SK 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.