Product Description Your go-anywhere media companion Compact and lightweight wireless earphones stream high-quality sound without tangled cords Rich and clear sound Advanced 10mm drivers bring music, movies, games, and other media to life with enhanced bass and crystal clarity. Wearable design Lightweight aluminum earpieces utilize built-in magnets to keep the earphones conveniently out of the way when not in use. Personalized fit Ergonomic earpieces, 4 sizes of ear tips, and removable ear fins ensure a snug and secure fit that blocks outside noise and remains comfortable all day. Built-in headset Seamlessly take calls and control music playback using the integrated microphone and remote. Long battery life Built-in batteries provide up to 9 hours of talk and 8. 5 hours of music playback time using the latest Bluetooth 5. 0 technology Sweat proof design IPX5 sweat- and weather-resistant design protects from damage due to sweat and moisture WHAT’S IN THE BOX M9B Wireless In-Ear Headset Micro-USB charging cable Ear tips (4 sizes) Ear fins User manual 1-year