Say goodbye to bulky earmuffs and hello to GS Extreme, the earbuds combine hearing protection, hearing enhancement and studio quality earbuds. Switch between sound enhancement, protection mode to Bluetooth audio mode or use both at the same time with independent volume controls to tune to your environment. Features 5.0 bluetooth audio for studio quality audio and hands free communication; compresses loud sounds at 85 dB or louder; 6.5 premium dynamic speaker; 0 hz-40,000 hz sound spectrum; 19 dB SNR with silicone tips, 29 dB SNR with general foam tips, 29 dB SNR with max protect foam tips; 25 hours battery life using hearing enhancement only, 9 hours battery life audio only and 8 hours battery life when hearing enhancement and audio are used simultaneously. Includes extra foam ear tips, USB-C cable, earbud case, carry case.