MM (moving magnet), i.e. construction with a movable magnet or MC (moving coil) with a movable coil. MM ones are used more often in turntables of primary and secondary classes
No higher than 32 Ohms for smartphone headphones. When using a good player or amplifier, it can be up to 100 Ohms. For stationary models you should coordinate the impedance with the amplifier power
Brand: Ortofon
Cartridge type: MM
: 45, 46
Brand: Audio-Technica
: 47, 46
: 32, 46
Impedance, Ohms: 47000
The highest frequency, kHz: 20
: 38, 46
Brand: Pro-Ject
: 45
Stylus sharpening type: elliptical
: 40, 46
: 46, 37
: 37, 46
: 44, 46
: 35, 46
: 46, 40
: 46, 45
: 46, 35
Brand: Tonar
: 46
: 32
: 34