True360 omnidirectional sound. Multipoint feature allows two devices to connect and control. Battery provides up to 18 hours of playtime. Ultra-portable design is waterproof and resistant to dust and sand. Onboard power Bluetooth play/pause and volume control. Compatible with Alexa Voice Assistant. Customize preferences with Beosonic Tuning in Bang & Olufsen app. 1 Woofer and 1 Tweeter. 2 x 30W Amplifier. Made of pearl blasted aluminum polymer and leather. Built-in 3000mAh battery. USB-C port for charging.