Quick Overview

• No batteries to replace.
• Easy to use. control the volume, power and song selection from the MP3 players or other personal audio device. Sync has no knobs or controls.  
• Includes 3.5mm input cable that plugs into most MP3 players, mobile phones, and other personal audio devices.
• Lightweight earmuff with soft padded ear cups and headband offer maximum comfort.
• Reinforced fork slides with handholds for easy headband adjustment.