Product Description: Simple, slide-in connect front door 7V@5000mAh battery providing up to eight hours of run time Use Google Home Mini power supply to charge the base Easy access to mute feature Four LED battery indicator lights indicate battery level at a glance Ninety7 JOT is a portable battery base for the Google Home Mini designed to provide rechargeable, cord-free mobility at your fingertips. Simply nest the Google Home Mini securely into JOT to untether and enjoy cordless use anywhere in your home.