The USB port on this device is only for charging battery. The only way this device can be used for audio is through Bluetooth pairing or using a 3.5mm audio cable.
The onn. Mini Rugged Portable Bluetooth Speaker is a compact and durable audio device designed for on-the-go use. With its rugged construction, it is built to withstand outdoor adventures, making it ideal for camping, hiking, or any other outdoor activities.