Protect your ears while out on the range with the Walker’s® Silencer BT Rechargeable Hearing Protection with Bluetooth®. This in-ear hearing protection suppresses harmful sounds to protect your hearing while shooting or operating loud equipment. These electronic earplugs feature a USB charging dock housing with an integral lithium battery for quick, easy charging, while 4 user-selectable program settings (normal, noise filtering, high-frequency boost, and power boost) keep you in full control. Onboard Bluetooth technology allows you to stream music, training guides, and other audio from smartphones, tablets, and other Bluetooth-compatible devices. 3 sizes of Sure-Lock™ sizing fins and 3 sizes of foam tips ensure you can find the perfect fit. Includes USB charging cable. Noise Reduction Rating (NRR): 26dB.