• Eworld High-fidelity Audio headphones are engineered for exceptional Rich sound in every environment. From deep, rich Bass to accurate mids and crisp, clean highs, you’ll hear every note with a new sense of clarity. Mic at the perfect place records Clear vocals whenever you want and provides best calling experience as well. Active Noise cancellation provides High Quality Noise cancelling. Best in the Budget Headphones. Eworld P9 Bluetooth headphones are compatible and can be paired with iOS and Android and other Bluetooth devices. Perfect for Music lovers and Audiophiles.