The Restrictor BT Bluetooth wireless electronic earbuds feature Bluetooth 5.0 for improved battery life and a more stable connection between earbuds. Designed for intuitive use, they include touch button controls, voice prompts, and four frequency modes, allowing for a customized audio experience. For superior hearing protection, these earbuds come equipped with Sound Activated Compression (SAC), Variable Gunshot Suppression, and Dynamic Wind Noise Reduction to ensure clear sound while reducing harmful noise levels. Powered by a rechargeable lithium battery, they come with a USB charging dock that provides up to three full charges, ensuring extended use in the field. Additionally, they are designed for comfort and security, featuring three sizes of Sure-Lock™ sizing fins and three sizes of foam tips for a snug, personalized fit.