Sony WF-C510
Score: 76/100
Truefree B1
Score: 73/100Rankings
The Sony WF-C510 are ultra-light true-wireless earbuds offering up to 22 hours of total playback and convenient multipoint Bluetooth. They lack active noise cancellation and premium codecs, limiting audiophile appeal. Ideal for commuters and budget-focused users seeking comfort and long battery life.
The Truefree B1 are ultra-light open-ear clip-on earbuds offering 10.8 mm drivers, spatial audio and up to 25 hours of total playback with multipoint connectivity. They sacrifice deep bass and maximum volume for lightweight comfort and situational awareness. Perfect for fitness enthusiasts and commuters who need long battery life and a secure fit.
| Attribute | | |
|---|---|---|
22 hours | 25 hoursbest | |
11 hoursbest | 5.5 hours | |
| ↓ lower better | 90 minutesbest | — |
6 mm | 10.8 mmbest | |
| ↓ lower better | 5 minutesbest | 10 minutes |
10 metersbest | — | |
20,000 Hzbest | — | |
| ↓ lower better | 40.2 g | 10 gbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | | |
|---|---|---|
Build & Design(1) | ||
Total Weight (Earbuds + Case) (g) | 40.2 g | 10 g |
Battery & Power(3) | ||
Battery Life (Total with Case) (hours) | 22 hours | 25 hours |
Battery Life (Earbuds Only) (hours) | 11 hours | 5.5 hours |
Quick Charge Time (10 min boost) (minutes) | 5 minutes | 10 minutes |
Connectivity(1) | ||
Bluetooth Version | 5.3 | 5.4 |
Audio(1) | ||
Driver Size (mm) | 6 mm | 10.8 mm |
Products in the top-left offer the best value (high score, low price).
Professional reviewers commend the WF-C510 for its feather-light weight, solid 11-hour battery life, and convenient Bluetooth Multipoint capability, positioning it as a strong value proposition in the budget true-wireless segment. However, they note the high-frequency roll-off and absence of ANC or premium codecs, indicating the sound signature may not satisfy audiophiles or users seeking advanced audio features.
Everyday users praise the earbuds for their comfort, long battery life, and easy device switching, highlighting the compact case and IPX4 rating as practical for daily commutes and workouts. Recurring complaints focus on the subdued treble, lack of ANC, and limited information about call quality, suggesting the product is best for casual listening rather than critical audio or noisy environments.
Professional reviewers describe the Truefree B1 as a compelling budget option for fitness enthusiasts who need lightweight, open-ear earbuds with solid mids, reliable Bluetooth 5.4 multipoint connectivity, and long battery life. While the spatial audio and low-latency performance are praised, the limited bass depth and lower overall volume keep it from competing with higher-priced models.
Everyday users appreciate the B1's feather-light comfort, secure clip-on fit, and long battery life, especially for outdoor workouts and commuting. Common praise centers on situational awareness, clear call quality, and the ability to switch between devices. Recurring complaints focus on thin bass, lower maximum volume, and occasional discomfort during extended wear.
