
Panasonic True Wireless Earbuds
Score: 71/100
Sony WF-C500 Black
Score: 75/100Rankings

The Sony WF-C500 deliver balanced sound with up to 20 hours of total battery life and customizable EQ via the Sony Headphones Connect app. They lack active noise cancellation and have physical button controls that can be inconsistent. Great for value-seeking users who prioritize neutral audio and long runtime.

The Panasonic RZ-S300W provides a lightweight ergonomic fit, IPX4 resistance and a long 26-hour total battery life at an affordable price. It does not include active noise cancellation or wireless charging and has limited codec options. Great for budget-conscious users with small ears seeking comfort and endurance.
| Attribute | ![]() | ![]() |
|---|---|---|
26 hoursbest | 20 hours | |
6.5 hours | 10 hoursbest | |
| ↓ lower better | 240 minutesbest | — |
6 mmbest | 5.8 mm | |
| ↓ lower better | — | 10 minutesbest |
| ↓ lower better | 42 gbest | 58.8 g |
1best | — |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Build & Design(1) | ||
Total Weight (Earbuds + Case) (g) | 42 g | 58.8 g |
Battery & Power(2) | ||
Battery Life (Total with Case) (hours) | 26 hours | 20 hours |
Battery Life (Earbuds Only) (hours) | 6.5 hours | 10 hours |
Controls(1) | ||
Touch Controls | true | false |
Connectivity(1) | ||
Bluetooth Version | 5.3 | 5.0 |
Audio(2) | ||
Supported Audio Codecs | AAC/SBC | SBC, AAC |
Driver Size (mm) | 6 mm | 5.8 mm |

Products in the top-left offer the best value (high score, low price).

Professional reviewers consider the RZ-B120 a solid value proposition for budget-conscious buyers, praising its lightweight build, IPX4 resistance, and bass-enhanced sound. However, they criticize the absence of active noise cancellation and the limited codec support, which keep it from competing with higher-end models.
Everyday users generally appreciate the comfortable ErgoFit fit, long total battery life, and punchy bass, especially for workouts and casual listening. Recurring complaints focus on occasional connectivity hiccups, the lack of ANC, and fit issues for larger ears.


Professional reviewers commend the WF-C500 for their neutral, detailed sound and the flexibility of the Sony Headphones Connect app, highlighting the solid 10-hour battery life and comfortable fit. They criticize the lack of ANC, the limited codec range, a cramped soundstage and occasional driver imbalance, noting that the earbuds are best positioned as a value-focused alternative to higher-end Sony models.
Everyday users consistently praise the earbuds for their balanced sound, comfortable lightweight design and long battery life, describing them as a great value for the price. Common complaints revolve around occasional static, insufficient bass, low volume on larger devices, Bluetooth dropouts and a confusing companion app.