Featuring Tactical Sound Control Technology for amplified natural sound and gunshot noise reduction. This ultra-lightweight true wireless design is dust, sweat, and water proof. Tactical sound control technology. 2 hour auto power off. OPMOD ISOtunes Sport CALIBER True Wireless Tactical Earbuds With Bluetooth, 25 NRR. 3 Pairs Of Short Trilogytm Foam Eartips (S/M/L). 3 Pairs Of Trilogytm Foam Eartips (S/M/L). 1 Pair Of Silicone Triple Flange Eartips. Charging Case With Lanyard. USB – C Charging Cable.