For Music, Smartphone, and more.Energizer BTS161 is a portable bluetooth speaker with extra power for your device. Premium 16W driver provides hifi quality music with clear and authentic sound. Five modes of LED party lights that dance to the beat, bringing you a truely relaxing time. IPX6 waterproof protects the speaker against high pressure water stream from any angle, perfect for indoor or outdoor activities. Built-in microphone allows you to directly answer calls or hold conference call when using the speaker. The bluetooth 5.0 provides stable and strong wireless connection with the transmission distance up to 10M, and also works with USB, AUX and micro SD card. The lightweight and carrying strap design makes it easy to carry for the on-the-go moment. The Energizer PowerSafe Management guarantees against short circuit, overcurrent, overcharge and overdischarge for your speaker and devices.