- Connect via Class 1 Bluetooth® with your device for wireless listening - Up to 40 hours of battery life for multi-day use - With Fast Fuel, 5 minutes of charging gives you 3 hours of playback when battery is low - Adjustable fit with comfort-cushioned ear cups made for everyday use - Sleek, streamlined design that´s durable and foldable to go everywhere you do - Take calls, control your music and activate Siri with the multifunction on-ear controls