Bluetooth compatible with mobile devices. 24dB reduction rating. High quality stereo sound. Digital volume controls. You can listen to your favorite music while on the range. Compact folding, low-profile design for uninterrupted cheek weld. Auto shut off after 4 hours. Dual microphones for directional clarity. Low profile design earmuffs. Illuminated On/Off button. Requires (1) Lithium battery (included), or (3) AAA batteries (not included). Color: Black. Boxed with hanging tab.