Walker’s Ultimate Digital Quad Connect Electronic Earmuffs with Bluetooth. Bluetooth Sync with mobile device. Four Hi Gain Omni Direction Microphones. 9x hearing enhancement with 2 independent volume controls. Sound activated compression (SAC). 02 second reactoin time. Sound dampening composite housing. You can even listen to music, a pod-cast, and other media all through the Bluetooth functionality. All the protection you require with added features you will love. Any product you return must be in the same condition you received it and in the original packaging. Please keep the receipt. We usually respond within 24 hours on weekdays. Thank you for shopping at our store.