Sentry Sync Bluetooth, Rechargeable Wireless In-Ear Buds with In Line Mic. Includes: deluxe metal buds, extra pads & case. Assorted extra earpads for a personalized truly custom fit. Premium metal housing. Improved acoustics and durability. Moisture resistant designs. Water and sweat resistant materials. Deluxe zippered case included. Safely store and transport your buds. Rechargeable battery. Micro USB charging cable included. Lightweight in-line microphone. Listen to music and talk with your friends.