There is not any aux input for just a 3.5mm jack however you do continue to have entry physical buttons for playback, volume, power, pairing and devoted party sound mode that turns up the volume as many as 11 (use this sparingly). Design: The silicone factor from the Establish https://www.bluetoothspeaker.top/outdoor-wireless-speaker-wonderful-rgb-light-effect-waterproof-bluetooth-speakers/