The 3M Peltor DAB+ & FM Hearing Defender, with an attenuation rating of 30dB, is an ideal solution for agricultural and landscaping industries. It offers a range of clear radio stations thanks to the built-in DAB radio. Settings can be adjusted, and radio stations saved via the voice-guided menu system. The 3M Peltor DAB+ & FM Hearing Defender also features a listen-only 3.5mm Stereo Jack, which allows you to connect a smartphone or two-way radio. This headset is powered by 2x AA batteries (ACK03 rechargeable battery sold separately) and is available as a stand-alone headband or as a safety helmet attachment, please check your helmet is compatible before purchasing. Features: Effective protection from loud noises Comfortable for extended periods of use HRXD7A-01 Specifications: Dimensions: H:16.0 x W:16.0 x D:24.0 cm Colour: Grey Guarantee:1 year Material: Plastic Model Number: 100010014