NoizeBarrier® Micro high-definition and rechargeable electronic earplugs offer unsurpassed situational awareness and clear communication, while providing hearing protection from loud noises. The dual-mode NoizeBarrier® earplugs offer active hearing protection as well as hearing enhancement for extremely effective sound localization and detection.
 
Features: 
Up to 40 dB impulse noise protection
Up to 15 dB adaptive noise protection
NRR:  28 dB(Foam Tips); 23 dB (3-Flange Tips)
Natural hearing for safe sounds
Accu-Technology® high-definition sound quality
One-button touch pad, 2-mode operation
Rechargeable with up to 16 hours of continuous use
Charging station: up to 20 earplug charge cycles 
Earpiece and case IP67 water resistant
Charging status LCD panel
1-year warranty