"Albrecht EP-1 earphonesMono earphones for easy fastening to the earcup.
The earphones are made of flexible material, so they can barely be felt when worn.
Only for radios with Alan 2-pin connection.
Not for devices with Kenwood or Motorola connectors.
Technical data:System: dynamicImpedance: 32 ohmInput power: max.
50 mWFrequency range: 20 - 20,000 HzCables: shieldedCable length: approx.
140 cmConnection: 3.5-mm jack connector"