I am looking to get electronic ear plugs.  The type that fit in the ear. A quick google search came up with   SportEAR GhostStryke Electronic Ear Plugs (NRR 30 dB) Pair 3M PELTOR   In-Ear Electronic Ear Plug, 30 dB Noise Reduction Rating NRR, Dielectric Yes Walker's Silencer Rechargeable Earbuds — NRR 23dB, Model# GWP-SF-SLCRR   I would appreciate your comments. thanks -wylie