Pure sonic bliss is guaranteed with the Bose SoundLink Around-Ear Wireless Headphones II. Get ready to enjoy a better wireless experience with the Bose exclusive technology that delivers deep, immersive sound at any volume. A dual microphone system rejects noise and wind for loud and clear voice transmission while the enhanced sidetone feature makes your voice sound more natural. The latest Bluetooth technology lets you easily connect to your mobile devices with seamless audio/video sync, as well as switching between two devices. For NFC-enabled devices, simply tap the right earcup for quick pairing. A rechargeable lithium-ion battery lets you listen for up to 15 hours and provides up to two hours of play time with a 15-minute charge. Effortless touch controls allow for simple command of your music and calls. Voice prompts give you information about battery life, device connection and caller ID. SoundLink wireless headphones are lighter and more comfortable than other comparable wireless headphones so you can enjoy them all day long. Wear them almost anywhere, and experience uncompromised wireless performance.