JBL Deep Bass Sound Get the most from your mixes with high-quality audio from secure, reliable earbuds with 12mm drivers featuring JBL Deep Bass Sound. Comfortable fit The ergonomic, stick-open design of the JBL Wave Flex fits so comfortably you may forget you're wearing them. The stick-open design allows you to enjoy all the sound without blocking your ear-canal. Up to 32 (8h + 24h) total hours of battery life with speed charging With 8 hours of battery life in the earbuds and 24 in the case, the JBL Wave Flex provide all-day audio. And when you need more power, you can speed charge an extra two hours in just 10 minutes Stay aware of your surrounding Go anywhere and hear everything with Smart Ambient technology. When you need to pause for a quick chat, TalkThru lets you instantly hear yourself and those around you without taking out your earbuds. Or use Ambient Aware to keep the music playing while remaining aware of your surroundings. Hands-free calls with VoiceAware When you're making hands-free stereo calls on the go, VoiceAware lets you balance how much of your own voice you hear while talking with others. Water and dust resistant From the beach to the bike trail, the IP54-certified earbuds and IPX2 charging case are water and dust resistant for all-day experiences. JBL Headphones App compatible Listen all day your way. Dial in your preferred sound with the dedicated app and transform the JBL Wave Flex into your ideal audio companion.