ISOtunes LINK 2.0 Helmet Mount: Hardhat Mountable Bluetooth Hearing Protection with 29 dB SNR with 50 Hour Rechargable Battery

LINK 2.0 Helmet Mount is compatible with a wide variety of safety helmets utilizing the included universal clip (Hard hats are sold separately). MASSIVE BATTERY LIFE: Included rechargeable lithium ion battery provides 50 hours of battery life on a single charge. Optional AAA batteries (3) provide up to 100 hours of battery life (not included). NOISE ISOLATING HEARING SAFETY: ANSI-Certified 21 dB noise reduction rating (NRR) to limit hearing damage in loud work environments. SAFEMAX TECHNOLOGY: 79 dB volume limiter ensures that your music is always at a safe listening level. WIRELESS CONNECTIVITY: Listen while you work without the wires using upgraded Bluetooth 5.0 technology. BUILT TO LAST: Durable collapsible design with comfort fit ear pads and IPX4 water resistance.