Sennheiser Dynamic Earphone IE 300 (Black) [509104]

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Specifications
Body weight : approx. 4g (excluding cable)
Type : Dynamic Canal type
Cable length : 125 cm Y type
Plug shape : 3.5 mm Stereo mini plug L type
Impedance : 16 Ω
Frequency characteristics : 6 to 20000 Hz
Sensitivity : 124 dB (1 kHz / 1 Vrms)
Accessories : Ear Adapter Set (Standard Silicon S/M/L, Form S/M/L), Carrying Case, Cleaning Tool
Since this item was released after 2018, the manufacturer's warranty certificate is not included.
https://www.sennheiser.co.jp/sen.user.PressDetail/id/453.html