Long Playtime with Charging Case: Each earbud holds a 6-hour battery life and the case provides 34+ hours of extra work out time. JBuds Air Sport automatically charge when placed in the case, which recharges with the integrated patent-pending USB cable. Sweatproof Sport Fit: An IP66 sweat resistance holds up against sweat and dirt, so hit the trails, the gym and more. The ergonomic earhook fits even the smallest ears and stay securely and comfortably in place. Switch the gel tips out for our included Cloud Foam tips and GO. Auto On & Connect: JBuds Air Sport automatically turn on and connect to each other right out of the case. Then just connect to your phone. Utilizing Bluetooth 5, this is our fastest hands-free connection yet. Stereo Audio Calling: The JBuds Air Sport feature stereo audio phone calls. You'll hear your friend in both earbuds clear conversations anywhere, anytime. Plus, touch sensors make it easy to control all your music and phone calls with just a tap or two on either earbud. Be Aware Audio and Custom EQ3 Sound: Hear your surroundings while you run for safe listening with Be Aware Audio. Turn on when you want to let ambient noise in or off to zone out with just your music. Choose the sound to match your personal preference between three options: JLab Signature, Balanced, and Bass Boost modes – without an app