Beats Solo 4 Wireless On-Ear Headphones
- Up to 50 hours battery life, per the title
- Bluetooth wireless, on-ear style
- 2.15 hours charging time
- Apple and Android compatible
- 1.2 pounds item weight
Last refreshed Sep 7, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A lightweight wireless on-ear headphone from Beats for phone and music use on either platform. Noise cancelling and codec support are not described in the listing, so check those before buying for travel.
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ASIN: B0CZPLV566Model: MUW23LL/ACategory: On-Ear Headphones
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Overview
A rechargeable lithium ion battery drives these wireless on-ear headphones, which link to a phone over Bluetooth. The title names Apple and Android support, so they are not tied to one ecosystem. The finish is matte black.
The reason to look here is the long listed battery life paired with a low body weight for an on-ear design. The limit is the sparse spec table, which has no codec, driver size or noise control entry. Treat sound claims as the brand's own wording.
Who it's for
Daily phone listening, long study sessions and flights with a charger available are the fit. Shoppers who need to block engine noise should check for a model with cancelling listed.
Pros and cons
- Long battery life per the title
- Light for an on-ear model
- Works with Apple and Android
- Quick charging time listed
- Noise cancelling not described
- On-ear contact can tire some users
- No codec or driver details listed
Performance notes
Battery life depends on volume and features in use, so the up to figure is a best-case number. Charging time is the listed duration from empty. Isolation comes from how the on-ear pads press on the ear rather than from any listed noise control.
Where it stands among on-ear headphones
- #1 most-searched brand and model of the 37 on-ear headphones lines we track (by search demand, not sales).
From the specs of the 17 on-ear headphones we list; not a test result.
Specifications
| Brand | Beats |
|---|---|
| Model | MUW23LL/A |
| Dimensions & fit | |
| Item weight | 1.2 pounds |
| Product dimensions | 8.23 x 5.2 x 3.7 inches |
| Power & efficiency | |
| Battery average life | Up to 50 hours |
| Construction & materials | |
| Color | Matte Black |
| Compatibility & installation | |
| Connectivity Technology | Wireless Bluetooth |
| Compatible Devices | Apple and Android |
| Other details | |
| Headphones Ear Placement | On-ear |
| Batteries | 1 lithium ion battery |
| Charging Time | 2.15 hours |
| Item Model Number | MUW23LL/A |
| Units | 1 Count |
Closest rivals on specs
OneOdio A71 Wired Studio Headphones- Item Weight 1.2 vs 0.83 pounds (+45%)
Sony MDR-ZX110 Wired On-Ear Headphones- Item Weight 1.2 vs 0.57 pounds (+111%)
UKELALA U2 Kids Wired Headphones- Item Weight 1.2 vs 0.49 pounds (+145%)
Frequently asked questions
How big are the Beats Solo 4 headphones?
The listing gives 8.23 x 5.2 x 3.7 inches and a weight of 1.2 pounds.
Do the Beats Solo 4 work with Android phones?
Yes. The title lists Apple and Android compatibility over Bluetooth.
Are the Beats Solo 4 noise cancelling?
The listing does not describe noise cancelling. It lists on-ear wireless headphones with a long battery life.
How long do the Beats Solo 4 take to charge?
The listing gives a charging time of 2.15 hours.