JBL Endurance Sprint Waterproof Wireless In-Ear Headphones, Black Flash Memory Capacity__16 GB 4 GB memory

4 GB memory

sharper pictures with less haze

A battle bus

This innovative design improves stability

JBL Endurance Sprint Waterproof Wireless In-Ear Headphones, Black Flash Memory Capacity__16 GB 4 GB memoryNever Hurt. Never Fall Out. Let nothing stop your workout. Wireless and IPX7 waterproof, the JBL Endurance Sprint headphones are always up for a run, and with Speed Charge you can get an hour of listening time after charging the 8hr battery for just 10 minutes. Supremely comfortable with FlexSoft ear tips and TwistLock technology, these secure fit buds were designed from the ground up to amplify your workout. Theyre guaranteed never to hurt or fall