The JBL Wave Flex 2 are open-fit wireless earbuds featuring JBL Pure Bass Sound, Smart Ambient Technology (for Ambient Aware and TalkThru), a comfortable open-back stick design, and an impressive 40 hours of total playtime. They offer IP54 water and dust resistance, boast multi-point Bluetooth connection, and provide crystal-clear calls thanks to four microphones. Users can customize sound and voice prompts through the JBL Headphones App, and the earbuds support both Fast Pair by Google and Swift Pair by Microsoft for seamless pairing.