Ideal combination of protection and entertainment in one comfortable, lightweight headset. Features patented stainless steel spring arms, liquid/gel-filled ear cushions, and easy operation of AM/FM radio. Frequency ranges of 88-108 MHz (FM) and 540-1700 KHz (AM). Powered by (2) AA batteries for 250+ hours of operation. Tested to ANSI S3.19-1974.
**PE** 3M H1 Warning and NRR Footnote