David Clark 42021G-01 HBT-30 Bluetooth 23dB NRR Headset
Aurora Class over-the-head, rugged marine grade hardware, headband with comfort gel ear seals
Bluetooth 4.0 uses less energy and is backward compatible with previous versions
Compatible with Bluetooth radio adapters and smartphones
23dB NRR, M-55 electret noise-cancelling microphone
140 hours standby or 80 hours active talk/listen/streaming time - includes USB charger
12 month warranty
David Clark 42021G-01 HBT-30 Bluetooth 23dB NRR Headset
Aurora Class over-the-head, rugged marine grade hardware, headband with comfort gel ear seals
Bluetooth 4.0 uses less energy and is backward compatible with previous versions
Compatible with Bluetooth radio adapters and smartphones
23dB NRR, M-55 electret noise-cancelling microphone
140 hours standby or 80 hours active talk/listen/streaming time - includes USB charger
12 month warranty