The Bang & Olufsen Beosound A1 2nd-generation portable Bluetooth speaker offers True360 omnidirectional sound, a multipoint feature that allows you to connect two devices, a battery that provides up to 18 hours of playtime, an ultraportable design that’s waterproof and resistant to dust and sand and onboard power, Bluetooth, play/pause and volume control. It has one woofer and one tweeter, a 2 x 30W amplifier and built-in 3000mAh battery. Compatible with Alexa Voice Assistant.