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The Sentry Active Noise Canceling Headphones are over-ear Bluetooth headphones with 40mm drivers, active noise cancellation and a built-in microphone for calls. Sentry rates battery life at 22 hours, and the earcups fold flat for storage and travel. They suit budget-minded listeners who want wireless ANC for commuting, study or casual listening. Against better-known ANC models they trade refinement and premium materials for a simple, low-cost feature set; expect basic noise reduction rather than the near-silence of top-tier rivals.
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Lowest price we've seen: $34.99 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.
The Sentry Active Noise Canceling Headphones (model BTA1000) are wireless Bluetooth headphones with active noise cancellation. They use a 40mm driver and have a flat-folding design. The battery runs for 22 hours.
The headband and ear cups are designed for comfortable extended wear. A built-in microphone allows hands-free calling.
