WALKER'S RESTRICTOR EAR BUDS W/BLUETOOTH Walker's Restrictor BT Earbuds combine an impressive 24 dB NRR (Noise Reduction Rating) to shield your hearing from gunshots and other loud noises, while integrating BluetoothA(R) 5.0 for seamless connectivity through the Walker's Link app. With the app, users can independently control each earbud and switch between four advanced sound modes. Sound Activated Compression technology delivers crystal-clear digital hearing enhancement without compromising wearers' safety. They feature the Sure-Lock(TM) fin and foam tip system and ergonomically placed buttons that are both easy to access and sleek in appearance Mfg: Walkers Game Ear