Speaker Microphone; Product Type Speaker Microphone; Compatible Radio Type Handheld; Compatible Radio Brand Vertex Standard; Compatible Radio Series VX-537; Compatible Radio Manufacturer Model Number VX510; VX530; VX537; Compatible Radio Grainger Model Number Not Applicable; Earpiece Jack Size Not Applicable; Radio Connector Type Y2; Noise Prevention Not Applicable; Push To Talk Yes; Intrinsically Safe No; Keypad Included No; Material Plastic; Waterproof No; Color Black; Overall Height 2 in