Anker A3143 Premium - SM-A259 allows you to wirelessly stream audio from any Bluetooth-enabled device, like your smartphone or tablet. It also has a 3.5mm AUX input, so you can connect non-Bluetooth devices. The speaker has a built-in microphone, so you can use it to make and receive calls. It also has a long-lasting battery, so you can enjoy your music all day long. Additionally, the speaker is water-resistant, so you can use it in any weather.