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  2. List of discontinued Bose headphones - Wikipedia

    en.wikipedia.org/wiki/List_of_discontinued_Bose...

    Bose QuietComfort 25 with mounted 3.5 mm headphone jack, and carry case. The "QuietComfort 25" (QC25) over-ear headphones were released in 2014 [47] as the replacement for the QuietComfort 15, and sold until 2019. Unlike its predecessors, the QC25s can be used (without the noise cancelling function) while the battery is dead.

  3. List of Bose headphones - Wikipedia

    en.wikipedia.org/wiki/List_of_Bose_headphones

    The Ultra model also includes Bluetooth 5.3, providing a more stable connection and lower latency. Additionally, the battery life has been extended, offering up to 28 hours of playback on a single charge. Similar to the QuietComfort 45, the battery is not user-replaceable.

  4. Bose QuietComfort 45 headphones have improved ANC and a ...

    www.aol.com/news/bose-quietcomfort-45-headphones...

    Bose's latest QuietComfort heapdhones offer improved noise cancellation and longer battery life in a familiar design.

  5. The Bose QuietComfort 45 noise-canceling headphones are ... - AOL

    www.aol.com/news/bose-quietcomfort-45-noise...

    Save $80: As of Sept. 27, the Bose QuietComfort 45 wireless noise-canceling headphones are $249 at Amazon. That matches the previous best price we've seen on these over-ear headphones following ...

  6. List of Bose portable audio products - Wikipedia

    en.wikipedia.org/wiki/List_of_Bose_portable...

    Internals have been upgraded from IPX4 to IP55, battery life has been upgraded. Whereas the design remains same. [23] [24] SoundLink Color. SoundLink Color. The SoundLink Color was introduced in 2015 as Bose's portable Bluetooth loudspeaker. [25] It was battery-powered, and charging was via a micro-USB port.

  7. List of Bose home audio products - Wikipedia

    en.wikipedia.org/wiki/List_of_Bose_home_audio...

    The "301" bookshelf speakers were released in 1975. The Bose 301 Series II is a direct/reflecting speaker system. It includes “bass effects” through a 8-inch woofer and surround sound effects through its asymmetrical design. Dual frequency crossover network in the Bose 301 Series II improves sound clarity by optimizing output frequencies. [30]

  8. Lithium-ion battery - Wikipedia

    en.wikipedia.org/wiki/Lithium-ion_battery

    A lithium-ion or Li-ion battery is a type of rechargeable battery that uses the reversible intercalation of Li + ions into electronically conducting solids to store energy. In comparison with other commercial rechargeable batteries, Li-ion batteries are characterized by higher specific energy, higher energy density, higher energy efficiency, a longer cycle life, and a longer calendar life.

  9. Hearing Aid Batteries: How long does each size last ... - AOL

    www.aol.com/hearing-aid-batteries-long-does...

    Size 10. The smallest of the bunch, these yellow-tab batteries are used for discreet custom hearing aid styles: IIC and CIC. This battery typically lasts three to seven days depending on ...

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