Vonyx WM61B Wireless Headset Microphone System UHF 16Ch Bodypack
What is the warranty period on ElectroMarket products?. Weight (kg): 0.6000. Power consumption: 0.022 - 0.011A. Batteries: 3V (2x AA). Signal-to-noise ratio: >90dB. Sensitivity: -90dB. Frequency stability: 0.002%.