Jam Transit Fitness Buds Wireless Sport In-Ear Headphones in Black Bluetooth wireless functionality up to 30 feet, with speakerphone mode to switch from music to calls Sweat Resistant: Perfect for your active lifestyle Ear hooks secure the earbuds during activates Magnetic connection secures the earbuds around your neck when not in use Rechargeable battery for up to 6 hours of playtime Connectivity Technology: Wireless