HBB-EMB30s-KIT

Heavy Duty Remote Speaker Mic (RSM) with Coil Cable and USBC Connector fits most Cell Phones and Tablets. Waterproof and Dustproof the SPM-4200 series STORM TROOPER™ RSM has a powerful 2 Watt Audio Amplifier that boosts the phone audio so you can hear calls even if in a vehicle or other high noise area.