GARDTECH Radio Ear Muffs with Bluetooth Industry Wireless Safety Hearing Pro... Effectively reduces noise especially when use powerful strong machine or gun practice and other violent activities.Protects your ears from hazardous sound levels and find peace in your own world. FM Digital Radio with LCD Display Advanced? Built-in Radio with Hearing Protection with Channel memory function, 8 different preset channels - more than enough to program all your favorite stations. You could adjust volume by switching the volume control knob. Rechaegeable for Lang lasting Advanced? Bluetooth & Hands-free Calling Advanced? Answer calls as you work with multifunctional button without having to remove the headset. 2020 new upgrade with built-in SD card(4Gb capacity), can storage about 1000 of your favourite digital audio files, allow you to enjoy the joyful voice even without available bluetooth devices. (NEED TO CONNECT COMPUER by USB). This item is in the category "Sporting Goods\Hunting\Range & Shooting Equipment\Hearing Protection". The seller is "yochan61" and is located in this country: US. This item can be shipped to United States.