JLab Audio's Epic Air earbuds provide great sound while you exercice, with the liberating freedom of true wireless design. They're sweat-proof and customisable for a secure and comfortable fit. You can control music playback and take calls from your smart phone with ease, with simple touch-and-tap controls. True Wireless Freedom With two independent earbuds fitting comfortably and securely in your ears, not a single wire gets in your way. Connect wirelessly with your smart device via Bluetooth, supported by aptX technology for a high quality, stable connection, over a range of 30 feet. Read more… JLab Audio Sound 8mm drivers and a balanced sound chamber provide great quality JLab Audio sound. Take phone calls and control music playback with touch-and-tap controls on either earbud. Built for Sport & Comfort JLab's earhook design and multiple ear tips give a wide range of customisable fit options for security and comfort. IP55 rated sweat-proof, they're designed for the most demanding workout, inside or out. And you can rinse them off under the tap afterwards . Long Battery Life They last for up to 6 hours off a single charge, with the power for an additional 30 hours in the included charging carry case. You can use the case to power up other compatible smart devices with the included USB cord.