It charges conveniently through a USB-C connection, guaranteeing that you can easily recharge it even on the move. The JBL Portable app provides a 3-band EQ to personalize the sound profile if preferred and when you have two Flip seven speakers, you could operate them like a stereo pair. https://www.bluetoothspeaker.top/multi-function-wireless-desktop-bluetooth-speaker-night-lights/