Built tough with rubberized base and aluminum body. Internal design protects against drops and falls. True 360 sound with dual full range driver and heavy bass. IP67 Dust and water resistant. Up to 27 hours of playtime. Multipoint - available with up to two devices. Customize preferences with Beosonic Tuning in Bang & Olufsen app. On-device power play/pause track volume control. Configuration: 2 x 1.8" full range drivers. Amplifier: 2 x 30W Class D full range. Frequency response: 56-22.7Hz. USB-C Charging cable.