-ANSI-certified 27 dB Noise Reduction Rating (NRR)
-10 hour music playback and talk time, 240 hour standby time.
-USB-rechargeable lithium-ion battery
-OSHA-compliant, including ISOtunes signature SafeMaxâ„¢
-Technology with 85 dB volume limit
-Bluetooth 4.1 EDR, compatible with all Bluetooth-enabled devices
-ISOtunesâ„¢ signature mic with background noise cancellation for phone calls eliminates steady state noise like engines, mowers, fans, vacuums, and saws for clear calls in loud environments
IP55 dust, sweat and water resistant
-Custom-fit memory wire conforms to ear for stable fit
-Features aptX ® high definition audio playback