Auricular 3M HRXD7P3E-01 Preto

High attenuating hearing protector in two models: stand-alone headband or safety helmet attachment Excellent DAB+ & FM-radio reception Voice guided menu system to navigate the menu Stores up to 10 DAB+ and 5 FM favourite stations 3.5mm stereo audio input plug to connect to external devices Auto power off, the headset will turn off after 4 hrs of non-use to save battery power Uses two included AA alkaline batteries or the optional ACK03 rechargeable battery