3M Peltor Level Dependent Earbud Set LEP-200-EU

3M™ Peltor™ active hearing protection which allows you to pick up ambient sounds. Provides the ability to receive audio signals wirelessly from a neck sling (sold separately). Intuitive one-button operation that turns on the device and controls the volume. The Li-ion battery gives you up to 16 hours of continuous operation. Portable charging case with 3 AA alkaline batteries or USB port (Micro B). Compatible with IP67 with cover and USB port closed. 

EN 352-2:2002, EN 352-7:2003 & EN 352-9. 
SNR 32, HML = 31, 30, 29.