JBL Deep Bass SoundThe sound of your last concert, for your ears only. Enjoy deep bass powered by the 8mm drivers.20 hours of combined playbackWith 5 hours in the earbuds and 15 hours in the case, the JBL Vibe 100TWS can keep up with yourrhythm all day long.Either ear, or bothLeft ear, right ear, both ears? The power of Dual Connect gives you the choice to seamlessly enjoymusic or make calls with either one or both buds. And the battery life keeps up with you, as you cankeep one earbud charging while using the other one.Hands-free callsCalls and sound are easily managed from the earbuds, as is the access to your device’s voiceassistant.Comfort-fitErgonomically shaped, the JBL Vibe 100TWS fit gently in your ears even after hours of listening pleasure. The ear tips in 3 sizes ensure a perfect seal for extra comfort and sound clarity.Pocket friendlyThey go where you go. Small and lightweight in and out of the case, the JBL Vibe 100TWS easily fitin your pocket.Driver size: 8mm/0.31″ Dynamic DriverPower supply: 5V 1AWeight: 46.3g/0.102 lbsEarpiece: 5.1g/0.011 lbs(10.2g/0.022 lbs combined)Charging case: 36.1g/0.08 lbsHeadset battery type: Lithium-ion Battery(46mAh/3.7V)Charging case battery type: Lithium-ionBattery (550mAh/3.7V)Charging time: 2 hrs from emptyMusic playtime with BT on: up to 5 hrsFrequency Response: 20Hz – 20kHzImpedance: 16 ohmSensitivity: 105.5dBSPL@1kHzMaximum SPL: 94dBMicrophone sensitivity: -11.3dBV@1kHz/Pa