
Sony WF-C510
Score: 76/100
Truefree HD-100
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 HD-100 is a neckband-style true wireless earphone offering 11 mm dual-magnetic drivers and up to 20 hours of playback with fast-charge capability. Its bulkier neckband design and lack of wireless charging limit its portability. Ideal for active athletes and gamers who value low latency and robust water resistance.
| Attribute | ![]() | ![]() |
|---|---|---|
22 hoursbest | 20 hours | |
11 hoursbest | — | |
| ↓ lower better | 90 minutesbest | — |
6 mm | 11 mmbest | |
| ↓ lower better | 5 minutesbest | 10 minutes |
10 metersbest | — | |
20,000 Hzbest | — | |
| ↓ lower better | 40.2 gbest | 99.8 g |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Build & Design(2) | ||
IP Rating | IPX4 | IP67 |
Total Weight (Earbuds + Case) (g) | 40.2 g | 99.8 g |
Battery & Power(2) | ||
Battery Life (Total with Case) (hours) | 22 hours | 20 hours |
Quick Charge Time (10 min boost) (minutes) | 5 minutes | 10 minutes |
Connectivity(1) | ||
Bluetooth Version | 5.3 | 6.0 |
Audio(1) | ||
Driver Size (mm) | 6 mm | 11 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.