If you want over-ear comfort, adjustable noise cancellation, and clear calls, choose Bose Headphones 700; if you need compact, exercise-ready earbuds with a customizable fit, choose Sennheiser Momentum True. For a kid, I’d lean Bose for its over-ear design and included audio cable, while recognizing that neither product is specifically described as a children’s model.
• Bose Headphones 700: Over-ear fit, 11 levels of active noise cancellation, and up to 20 hours of wireless battery life; the trade-off is a larger headphone design.
• Sennheiser Momentum True: Compact earbuds with adaptive noise cancellation, Transparency Mode, and up to 28 hours with the charging case; the trade-off is that the fit depends on finding ear tips and fins that suit you.
• Bose is for listeners who want over-ear headphones, a wired audio option, and features geared toward calls and voice assistants.
• Sennheiser is for listeners who want pocketable earbuds for travel or exercise, plus a fit they can adjust with multiple tip and fin sizes.
The Bose Headphones 700 are wireless over-ear headphones with active noise cancellation adjustable across 11 levels. That range gives you a way to choose how much outside sound to reduce rather than treating noise cancellation as a simple on-or-off feature. Bose also highlights call pickup: its microphone system is designed to isolate your voice in noisy or windy surroundings. Alexa and Google Assistant access, touch controls, and a Spotify shortcut for iOS add ways to manage listening without picking up your phone.
This is the more straightforward fit for someone who prefers headphones that sit over the ears, takes calls regularly, or wants an included audio cable as an alternative to Bluetooth. The stated wireless battery life is up to 20 hours. The box includes a carrying case and audio cable, and the headphones use a 2.5 mm jack. If you are looking for tiny earbuds for a pocket or an exercise session, the Bose’s over-ear design is the wrong direction. It is also not the better choice if your main priority is the longer combined battery figure listed for the Sennheiser earbuds.
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We compare products from their published specs and features; the verdicts below are our independent editorial opinions.
For a kid, the over-ear format may be easier to understand than a set of small earbuds, and the cable gives another listening option. But the product information identifies an adult age range, not a child-specific design. I would not treat the Bose as a dedicated kids’ headphone or assume its noise cancellation is a substitute for supervising listening volume.
The Sennheiser Momentum True Wireless 3 are in-ear earbuds built around a compact design. They include silicone ear adapters in four sizes and ear fins in three sizes, so buyers have several combinations to try for a secure fit. That adjustability matters: the product information notes that a poor ear-tip fit can affect sound and call performance. For someone who wants earbuds for travel, sports, or exercise, the small form and IPX4 splash resistance are practical advantages.
Sennheiser gives you adaptive noise cancellation that adjusts to changing noise, along with Transparency Mode for letting more of the surroundings through. The earbuds also offer an equalizer, sound presets, and sound personalization. Multipoint connection supports two devices, which can help if you switch between, for example, a computer and a phone. Three noise-cancelling microphones on each earbud are specified for voice pickup. Battery life is listed as up to seven hours, with up to 28 hours of overall play time when using the charging case; the case supports Qi wireless charging.
The compromises are as important as those features. These are in-ear earbuds, so they will not suit someone who dislikes having earpieces inside the ear or who wants an included wired listening option: the product has no headphone jack. Their fit needs attention, and the 28-hour figure includes charging from the case rather than describing a single uninterrupted listening session. I’d choose them for portability and fit customization, not for a wired setup or over-ear feel.
• Best for over-ear listening → Bose Headphones 700. Their ear placement is over-ear; the Sennheisers are in-ear earbuds.
• Best for adjustable noise cancellation levels → Bose Headphones 700. Bose specifies 11 levels. Sennheiser instead offers adaptive cancellation that adjusts with the noise around you.
• Best for letting surrounding sound back in → Sennheiser Momentum True. Their Transparency Mode is designed for staying aware of the environment.
• Best for calls in changing surroundings → Either, for different reasons. Bose describes a microphone system that adapts to noisy and windy environments; Sennheiser specifies three noise-cancelling microphones on each earbud. The sheets do not establish a winner in every call situation.
• Best for exercise or splash resistance → Sennheiser Momentum True. Their stated use includes sports and exercise, and they carry an IPX4 rating. No equivalent water-resistance rating is listed for Bose.
• Best for a wired listening option → Bose Headphones 700. An audio cable is included, and the headphones have a 2.5 mm jack. The Sennheisers have no headphone jack.
• Best for switching between two connected devices → Sennheiser Momentum True. Multipoint supports two devices.
• Best for a child who may prefer headphones over earbuds → Bose Headphones 700, with a caveat. Their over-ear design and included cable may make more sense for that use, but the product is described for adults, not specifically for kids.
The search for under 150 bluetooth headphones often mixes compact earbuds and full-size headphones into one broad category. These two products are different formats, so it makes more sense to choose by fit and features than by the category label. Anyone specifically seeking bluetooth headphones with audio cable has a clear match in Bose; the Sennheiser earbuds do not include a headphone jack. And if you are looking for hi res gaming headphones for side sleepers, neither product’s listed features establish that as a strong fit: Bose is over-ear, while Sennheiser is an in-ear set, and the data does not describe either as a gaming or side-sleeping model.
I’d choose the Bose Headphones 700 for a kid if the priority is an over-ear design, adjustable noise cancellation, and the option of wired listening. They are also my pick for adults who take calls and want headphones rather than earbuds. I’d choose the Sennheiser Momentum True for exercise, a compact fit, or two-device multipoint. My recommendation for a kid is Bose, with the important caveat that its listed age range is adult.
Both include microphone features intended to support calls. Bose describes a system designed to pick up the wearer’s voice amid noise and wind; Sennheiser specifies three noise-cancelling microphones on each earbud. The listed specifications don’t prove that one will perform better in every setting.
Bose lists up to 20 hours of wireless battery life. Sennheiser lists up to seven hours for the earbuds and up to 28 hours overall when the charging case is included, so the figures describe different listening setups.
No audio jack is listed for the Sennheiser earbuds. The Bose Headphones 700 include an audio cable and have a 2.5 mm jack, so Bose is the fit for a wired option.
I’d lean toward the Bose if an over-ear design and cable are the priorities, but its stated age range is adult. The Sennheisers are compact earbuds with several tip and fin sizes, yet the data does not identify them as a children’s product either.
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