Listen-Only Earpiece, Product Type Listen-Only Earpieces, Compatible Radio Brand Universal, Compatible Radio Series Universal, Compatible Radio Grainger Model Number 2EUJ2, 31MG07, 31MG22, 31MG38, 31MG55, 31MG56, 31MG60, 31MG67, 31MG68, 31MG73, 481T33, 492F44, 49WL66, 49XL32, 49XL33, 49XL34, 49Z785, 4WEL6, 54HH99, 54HJ01, 54HJ02, 54HJ03, 54HJ04, Earpiece Style Earbud, Number of Ears One, Number of Wires 1, Push To Talk No, Microphone Location Not Applicable, Number of Earpieces Included 1