The JBL Wave Flex 2 are ergonomic, open-fit earbuds known for JBL's signature Pure Bass Sound, offering up to 40 hours of total playtime with fast charging (10 mins for 3 hours) via USB-C, Smart Ambient technology to hear your surroundings, IP54 water/dust resistance, clear calls with multiple mics, and convenient multi-point connectivity to switch between devices, all customizable through the JBL Headphones app.