ADVANCE BT Color:OD Green DEFY Slim comes with 2

DEFY Slim comes with 2 AAA batteries and an auxiliary cord

The Extended Warranty provides 1 additional year of protection against defects in material and workmanship for a total of 2 years after the original date of purchase

lets you take calls with a built-in mic

and Aware Aware Technology offers complete situational awareness and protection from harmful noises

ADVANCE BT Color:OD Green DEFY Slim comes with 2ADVANCE BT is the first of its kind; an in ear tactical hearing protector that provides awareness and active gunshot muting. ADVANCE BT is seriously comfortable and has bluetooth for accessibility. Designed to be the hearing protection you actually want to wear. Tactical Sound Control amplifies environmental sound and limits harmful noise Certified hearing protection blocks 26 dB Battery up to 10 hours (Bluetooth) 20 hours (TSC) Ultra durable IP67