Portable charging case. Up to 29 hours play time • IPX4 splash and sweat resistant • Portable USB-C charging case. 20 hours extra play time • 9 hours play time. Charge 10 minutes for an extra hour • Clear sound, good bass. 12 mm neodymium drivers • Support AAC code, extreme high quality sound source Extremely convenient. Super comfortable. • Secure, comfortable in-ear fit • 3 sizes of ear-tip cover • Make calls using a single earbud. Mono mode • Always focused on your music. Hybrid Active Noise Canceling From favorite playlist to catch-up call • Touch controls. Built-in mic. Easy pairing • Quick reconnect to your phone when you open the case • Easily wake your phone's voice assistant