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The PI7 has true high-resolution audio performance with a 24-bit connection and Qualcomm aptX technology that create superior sound quality that adjusts dynamically and optimizes connection reliability. Dual hybrid drive units with individual amplifiers provide unrivaled detail and realism. Adaptive Noise Cancellation with six microphones provides perfect sound and call clarity. The smart, rapid charging case also supports audio retransmission so you can use the PI7 with inflight entertainment systems or audio equipment at the gym.