The Crystal LH1 is a lightweight headset that offers noise isolation using Comply foam ear tips. Noise cancelation is not needed because the tips significantly reduce aircraft noise. Features include an auxiliary 3.5 mm jack for your phone or blue tooth music adapter.

Speaker type: Balanced armature speaker
Impedance/maximum volume: 25 ohm/ 128dB
Sensitivity: 109 +/-3dB @ 1kHz
Microphone Type: Electret

Features include:

An auxiliary 3.5 mm jack for your phone or BT music device.

Robust microphone boom that stays in place when set.

Acoustic ear tubes with Comply foam eartips

Single volume control.

Stereo/ Mono switch.

Hard Carrying case.