Klein SIGNAL PRO Wired PTT Headset with balanced armature magnetic receiver, includes an ultra-lightweight, replaceable acoustic audio tube earpiece, for comfortable, all-day use. The SIGNAL PRO headset is a split-wire surveillance kit for comfort during all-day use. Klein custom designed the SIGNAL PRO headset to reliably connect to Sonims proprietary 3.5mm SecureAudio Connector on the XP3 handset. The SIGNAL PRO headset has a large, easy to access Push-to-Talk (PTT) button, compatible with heavy work gloves.

Klein Electronics SIGNAL PRO Push-to-Talk and full-duplex 2-wire wired headset.
Split-wire surveillance kit.
Flexible acoustic tube earpiece may be worn on right or left ear.
Easy-to-access, large, and tactile PTT button.
Built-in swivel clothing clip to easily attach headset cable to uniform.
Compatible with Sonim XP3 handset, proprietary 3.5mm SecureAudio Connector.