Never hurts and never fall out results matter and when you have the perfect headphones there’s nothing standing in-between you and your workout. streaming wirelessly, driver size (mm)8 number of microphones1 bluetooth version5.0 charging time (hours from empty)2 maximum play time (hours)10 remote control in cableyes waterproofyes ip codeipx5 charging cableyes voice assistant integrationyes built-in microphoneyes hands free callyes jbl pure bass soundyes twistlockyes wirelessyes water resistantyes rechargable batteryyes bluetoothyes what's in the box? 1 x endurance run 2 wireless 3 x sizes of ear tips 1 x enhancer 1 x usc-c charging cable 1 x warranty/warning (w / !) 1 x quick start guide/safety sheet (s / i)