CodeRed Guard Listen-Only Earpiece

Soft Hook Earpiece available in 14",20" or 30" coiled cord and 2.5mm or 3.5 mm connector for any microphone with a 3.5 mm earphone jack. Field replaceable foam cover. Popular for hotels and casinos. Compatible with our Signal 21 speaker microphone as well as most brands of speaker microphones. 2.5mm is used on most Kenwood Brand Shoulder Mics. 3.5mm is used on many devices including most Motorola Shoulder Mics. The threaded M2 is used on some Motorola radios and adapters.