The Walker's GWPSLCR2BT Silencer 2.0 Bluetooth In The Ear hearing protection features Bluetooth 5.0 technology, enhancing battery life and connection range. This model includes touch button controls and Sound Activated Compression (SAC) for efficient noise management.Key FeaturesBluetooth Technology: Utilizes Bluetooth 5.0 for improved battery life and connectivity.Included Accessories: Comes with a USB Charging Dock, three sizes of Sure-Lock fins and foam tips (SM/MD/LG), a cleaning brush, and a Micro USB cable.Voice Prompts: Equipped with voice prompts for ease of use.Auto Shut Off: Features an auto shut off function to conserve battery life.