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The Sennheiser HD 450BT is a wireless over-ear headphone with active noise cancellation, Bluetooth 5.0 and a built-in mic. It folds flat for storage and is rated for up to 30 hours of playback on a charge. It suits commuters and travelers who want Sennheiser sound without the flagship price. Against rivals like the Sony WH-CH720N and JBL Tune 760NC, its ANC is weaker and it lacks app-based EQ, but its balanced sound and long battery are the draws.
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Owners generally like the sound and battery life for the money. Many say the noise cancellation is mild and the fit gets warm, so it is a value pick rather than an ANC standout.
The Sennheiser HD 450BT are wireless over-the-ear headphones with active noise cancellation. They play stereo sound over Bluetooth 5.0 and have a built-in microphone for hands-free calls.
The battery lasts up to 30 hours on a single charge and takes about 2 hours to charge through USB-C. The headphones fold for storage and transport. Controls on the earcups handle music, calls and voice assistants.
