Sony WH-CH520 Wireless On-Ear Bluetooth Headphones with Microphone, Pink

The Sony WH-CH520 is a wireless on-ear headphone designed for listeners who want a straightforward Bluetooth headphone with a long feature list and a playful color option. This particular version comes in Pink, one of six colorways Sony lists for the model, alongside Black, Blue, White, Yellow, and Cappuccino. Rather than chasing audiophile territory, the WH-CH520 focuses on the practical side of everyday listening: extended battery life, app-based sound customization, hands-free calling, and the ability to stay connected to more than one device at a time.

If you are shopping for a wireless on-ear headphone for commutes, travel, study sessions, or working at a desk, the WH-CH520’s feature set is worth understanding in detail. Below is a closer look at what Sony states about this model, what each feature actually means in daily use, and who is most likely to get value from it.

Design and Comfort

Sony describes the WH-CH520 as having a lightweight build, and that framing matters for an on-ear headphone. On-ear models rest against the ear rather than surrounding it, so weight and clamping pressure tend to shape the experience more than they would on a large over-ear design. Sony pairs the lightweight construction with swivel earcups, which allow the earcups to rotate and let the headphones slip on and off more easily. Swivel earcups also typically help the headphones fold flatter for storage, though Sony’s listed information focuses on the on-and-off convenience rather than a folded footprint.

Comfort is addressed through three stated elements: an adjustable headband, a cushion, and soft ear pads. The adjustable headband lets the headphone be sized to the wearer, while the cushion and soft ear pads are the contact points that sit against the head and ears. Sony specifically frames this combination as providing all-day comfort. As with any on-ear headphone, the actual feel will depend on head size, ear shape, and how tightly the headband is adjusted, but the design intent is clearly aimed at extended wear rather than short listening bursts.

The Pink finish is a cosmetic choice rather than a functional one, but it is a meaningful part of the buying decision for anyone who wants a headphone that stands out from the usual black and gray options. Because the same model is offered in six colors, the Pink version shares the same hardware and features as the other colorways.

Features and Technology

The WH-CH520’s feature list is built around convenience and personalization. The most prominent is battery life: Sony states up to 50 hours of playback, with quick charging available as well. That figure is a claimed maximum, and real-world runtime will vary with volume, content, and settings, but the headline number is large enough to cover multi-day road trips and long festival weekends, which is exactly how Sony frames it. A USB Type-C cable is included for charging.

Sound customization is handled through the Sony | Headphones Connect App, which includes EQ Custom. This lets listeners adjust the sound to their music preference rather than accepting a single fixed tuning. The app also supports DSEE, which Sony describes as boosting the quality of compressed music files so streaming music can be enjoyed with high quality sound. DSEE is a processing feature rather than a change to the source file itself, and its effect will depend on the content being played.

For calls, a built-in microphone provides hands-free calling, so the phone can stay in a pocket during a conversation. Sony also includes Multipoint Connection, which allows the headphones to switch quickly between two devices at once. That is useful if you want to move between, say, a laptop and a phone without repairing each time. For Windows users, Swift Pair is supported for quick Bluetooth pairing with a Windows 10 computer.

Finally, Fast Pair works with Google’s Find My Device app on a smartphone, letting you locate missing headphones by sound or check their last known location. This is a practical safety net for a small, easily misplaced device.

Performance and Everyday Experience

What the WH-CH520 offers in daily use is a set of conveniences that reduce friction. The 50-hour battery claim means charging becomes an occasional task rather than a daily ritual, and quick charging adds flexibility when time is short. Multipoint connection removes some of the annoyance of juggling two devices, and the built-in microphone keeps calls simple without reaching for the phone.

The app-based EQ is where personalization happens. Listeners who prefer more bass, a brighter top end, or a more neutral balance can adjust to taste rather than relying on a single factory sound. DSEE is aimed at listeners who stream compressed audio and want that content processed for a higher-quality presentation. Sony presents these as sound-quality features, and they are best understood as tools for tailoring the experience rather than guarantees of a specific result.

The on-ear form factor is worth weighing carefully. It is generally lighter and more compact than a full over-ear design, which suits travel and long wear, but on-ear headphones rest directly on the ear and can feel different from over-ear models over time. The adjustable headband, cushion, and soft ear pads are Sony’s stated answer to that concern, and the swivel earcups make putting them on and taking them off less fiddly.

Connectivity and Compatibility

The WH-CH520 connects over Bluetooth and supports Multipoint for two simultaneous device connections. Pairing is simplified on two platforms: Fast Pair for Android-style Google services and Swift Pair for Windows 10 computers. Charging is handled through USB Type-C, and a cable is included in the box. The headphones include a built-in microphone for calls, so they function as a headset as well as a listening device.

Because the model relies on Bluetooth, it is not a wired headphone in the traditional sense, and the supplied information does not describe analog audio input. Buyers who need a wired connection should note that the listed connectivity is wireless plus USB Type-C charging.

Who Is This Product Best For?

The WH-CH520 suits listeners who want a wireless on-ear headphone with long battery life and app-based sound adjustment. It is a reasonable fit for commuters, students, remote workers, and travelers who move between a phone and a computer and want Multipoint to handle the switching. The hands-free microphone makes it practical for calls, and the Find My Device support is useful for anyone prone to misplacing small gadgets.

The Pink colorway is for buyers who want a more expressive look than the standard black or white options. Because the model is available in six colors, color choice is purely aesthetic and does not change the feature set.

Final Verdict

The Sony WH-CH520 in Pink is a feature-rich wireless on-ear headphone built around long battery life, app-based EQ customization, hands-free calling, and dual-device connectivity. Its lightweight build, swivel earcups, adjustable headband, cushion, and soft ear pads are all aimed at comfortable extended wear, while DSEE and EQ Custom give listeners ways to shape their sound. Fast Pair, Swift Pair, and Find My Device support add convenience on supported platforms, and USB Type-C charging keeps the power side simple.

It is not positioned as a specialist headphone, and the on-ear design will not suit everyone. But for everyday wireless listening with a long feature list and a distinctive color option, the WH-CH520 covers the essentials Sony has laid out.