Marshall signature sound. Perfectly balanced audio at every volume. True Stereophonic (360° sound). Superior spatial and binaural sound that flows around you. 32+ hours of portable playtime. Reliable playtime on a single charge. Dust and waterproof. IP67 rating allows it to be submerged in water for up to 30 minutes. Built-in microphone. Simple hands-free talking. Bluetooth LE Audio-Ready. Future-proofed for the latest connectivity possibilities.