The Walker's RECON Digital Electronic Earmuffs provide top-notch protection and amplification. Sound Activated Compression (SAC) responds quickly to muffle sudden, loud noises to protect your ears, while digital amplification enhances low-level sounds so you can still have a conversation at the range. Composite housing with a bonded rubber coating increases sound dampening even further, plus these Walker's earmuffs are compatible with the RECON Hybrid Comms Bluetooth Walkie Talkie (not included). SAC suppresses sudden, loud noises for exceptional protection Digital amplification ensures you can hear conversations Composite housing and a bonded rubber coating Compatible with Bluetooth connectivity