Neckband headset microphones for use with VHF and UHF bodypack transmitters. Ideal for performers and fitness instructors.Transducer type[tab]Cardioid condenser capsule[br]Connector[tab]3.5mm mono jack - threaded[br]Colour[tab]BlackWeight[tab]20g[br]Microphone : dimensions[tab]21 x 12 x 11mm[br]Power supply[tab]3Vdc