Step up to the world of premium ANR headsets with the value-priced Sierra. Picked as the "hands-down favorite" in Aviation Consumer's real-world test of budget ANR headsets, Sierra delivers the comfort, quiet, and advanced features you've come to expect from Lightspeed. Active noise reduction (ANR) and Bluetooth connectivity bring top-of-the-line features to Sierra. Plush ear seals and sturdy fiber reinforced polymer construction add to Sierra's durability. Bluetooth for audio devices and ComPriority™ enrich your flying experience. A reversible headband design allows microphone placement on the left or right. Sierra is everything you've been looking for in a budget-priced premium ANR headset.Sierra is now compatible with FlightLink, the first in-flight cockpit recording application for the Apple iPad® and iPhone®. Full Bluetooth® integration. Enjoy excellent call clarity, music fidelity, and wireless access to critical audio alerts from aviation apps on mobile devices.