9 Hours Per Earbud Plus The Charging Case Delivers 36 Total Hours — Enough For A Full Workweek Of Commutes And Calls Before You Need To Find An Outlet. Built-In EQ3 Lets You Switch Between 3 Custom Sound Signatures — JLab Signature, Balanced, And Bass Boost — So Your Music Sounds The Way You Actually Want It To. IP55-Rated Against Sweat And Dust, These Earbuds Hold Up Through Gym Sessions And Rainy Commutes. Wear Detect Sensors Auto-Pause When Removed, So You Never Miss A Moment.