Blueetooth. Goes smart assistants. Android + apple. 24+ hours of playtime (Battery: 24+ hours total, 6 hours in earbuds (60mAh per earbud) (Medium volume), 18+ hours in charging case (500mAh)). Auto on & connect. Custom EQ sound. Everyday proof IP55. Stereo calling. Auton On & Playtime: JBuds Air automatically turn on and connect to each other once taken out of their charge case so you can keep going hassle-free. A Class 1 Bluetooth 5 connection keeps you going for 6 hours (Battery: 24+ hours total, 6 hours in earbuds (60 mAh per earbud) (Medium volume), 18+ hours in charging case (500 mAh)) in each earbud plus 18+ extra hours of charge in the case. Custom EQ Sound: Choose the sound to match your personal preference between three options: JLab Signature, balanced, and bass boost modes - without an app. Crystal clear sound, no matter what. Hear the difference at jlabaudio.com/EQ. Controll it All: Change music and volume with a click or two on the outside of the earbud. Utilize the built-in microphone to activate Siri (Siri is a registered trademark of Apple Inc. and is no way affiliated with this promotion), Google Assistant or take calls. With stereo audio, you'll hear calls in both ear.s Everyday Proof: An IP55 sweat resistance helps earbuds hold up against moisture and dirt so you never have to worry during any hobby, trave, or workout. EQ Modes: Quick press 3x button for different EQ setting (JBuds air will cycle 3 EQ settings). JLab Signature: JLab C3 signature sound with amplified vocals and bass. Balanced: even sound with no additional sound enhancements. Bass Boost: Amplified bass and sub-bass. Package Contents: Integrated USB charging cable. 3 sets gel eartip. 2 sets cush fins. Speaker: 8 mm Drivers. Blueetooth: Bluetooth 5 - 30 ft range. Limited two year warranty. 30 day satisfaction guarantee. CE listed. jlabaudio.com. Official audio partner of Major League Soccer. Recycle packaging. Electrical waste, do not dispose of in trash.