Level dependent electronic hearing protectionSingle programBattery life: 80+ hoursBattery: Size 10 zinc air hearing aid batteryMicrophone: OmnidirectionalOperating temperature: -20°C to +50°CModule size: 13mm x 11mmSNR: 24dB with foam eartips, 23dB with silicone eartips In the box:2 x Novo modules1 x Vario storage case12 x Universal fit eartips (small, medium and large in foam and silicone)1 x Eartip storage case6 x Size 10 PowerOne batteries1 x Filter kit including 4 extra filters and removal tool1 x Black lanyard1 x User guide