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Bose QuietComfort and QuietComfort Ultra to launch next month as new high-end Bluetooth headphones - NotebookCheck.net News
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Bose QC45 review: commuter favourite noise-cancelling headphones revamped | Headphones | The Guardian
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Bose introduced QuietComfort 45 headphones with improved sound, USB-C port and battery life up to 24 hours for $329 | gagadget.com
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