ISOtunes PRO Matte Black features superior hearing protection (27 dB NRR), premium noise isolation, extended life rechargeable battery (10-hour play/talk time), high quality audio output, wireless Bluetooth connectivity and voice mic for communication through an enabled mobile device.

Features

ANSI-certified 27 dB Noise Reduction Rating (NRR)
10 hour music playback and talk time, 240 hour standby time
OSHA-compliant, including ISOtunes SafeSound™ Technology with 85 dB volume limit
Features aptX® high definition audio playback
Background noise cancellation for phone calls eliminates steady state sounds like jet engines, lawn mowers, fans and vacuums for clear calls in loud environments
Custom-fit memory wire conforms to ear for stable fit
IPX4 sweat & splash proof
Bluetooth 4.1 + EDR, compatible with all Bluetooth-enabled devices