EarFun Air Pro 4
Ttbesmi Heart Wireless Earbuds K520
What Buyers Say
EarFun Air Pro 4
The EarFun Air Pro 4 earbuds deliver exceptional value, with users praising their high-end sound quality, effective noise cancellation, and robust battery life. Many reviewers note they outperform far more expensive competitors like AirPods Pro and Sony XM4s, especially after customizing the EQ via the app. A few minor issues include occasional fit adjustments and a quirk with single-bud Bluetooth connectivity, but overall sentiment is overwhelmingly positive.
Pros
- Excellent sound quality with LDAC and aptX Lossless
- Effective active noise cancellation
- Long battery life (11 hours per charge)
- Great value for money
- Comfortable and secure fit
Cons
- Single-bud Bluetooth connectivity quirk
- Occasional fit adjustments needed
- LDAC disables multipoint pairing
- Le Audio not working for some users
Ttbesmi Heart Wireless Earbuds K520
This heart-shaped gadget is widely praised for its cute design, comfort, and good audio quality. Most users find it easy to carry and a great value gift, though one verified review reports the battery failing after three months. Overall, it is seen as a stylish and affordable option.
Pros
- Cute heart-shaped design
- Comfortable and lightweight
- Good audio quality
- Easy to carry and hide
- Great value for money
Cons
- Battery may fail after a few months
- Initial connection issues reported
- Not top-tier build quality
Scores
Specifications
| EarFun Air Pro 4 | Ttbesmi Heart Wireless Earbuds K520 | |
|---|---|---|
| Design | ||
| Form Factor | in-ear | in-ear |
| Wearing Style | true wireless | open ear |
| Ear Tips | 5 pairs of ear tips | — |
| Weight | 0.05 kg★ | — |
| Audio | ||
| Driver Type | hybrid | — |
| Driver Size | 10 mm★ | — |
| Drivers | 2★ | — |
| Freq Min | 20 Hz★ | — |
| Freq Max | 20 kHz★ | — |
| Impedance | 32 Ω | — |
| Sensitivity | 100 dB★ | — |
| Hi-Res Audio | ✓★ | — |
| Codecs | aptX Lossless, LDAC, LC3 | Heart Wireless Earbuds for Girls Kids, Cute Small Mini Tiny Invisible Earbuds Wireless Bluetooth for Small Ears Canals Women Rose Gold Kawai Blue Tooth Ear Buds for iPhone Android |
| Noise Control | ||
| ANC | ✓ | ✓ |
| ANC Type | adaptive hybrid | — |
| Transparency | ✗ | — |
| Connectivity | ||
| Wireless | ✓ | ✓ |
| Bluetooth | 6.0 | 5.3★ |
| Profiles | A2DP, AVRCP, HFP | — |
| Multipoint | ✓★ | — |
| Wired Connector | Bluetooth | — |
| Earbud Battery | ||
| Battery Life | 11 hrs★ | 4 hrs |
| Charge Time | 2 hrs | 1.5 hrs★ |
| Fast Charging | 10 min for 2 hours playback | USB C fast charging, only takes one hour to fully charge |
| Charging | USB-C | USB-C |
| Case Battery | ||
| Case Battery | 54 hrs★ | 24 hrs |
| Case Charging | USB-C | USB-C |
| Wireless Charging | ✓★ | — |
| Microphone | ||
| Microphone | ✓ | ✓ |
| Mic Count | 6★ | 2 |
| NC Mic | ✓ | ✓ |
| Features | ||
| Voice Assistant | Google Assistant | — |
| Touch Controls | ✓★ | — |
| App | EarFun Audio App | — |
| Gaming Mode | ✓★ | — |
| Bone Conduction | ✗ | — |
| Water Resistance | IP55 | IPX5 |
Pros & Cons
EarFun Air Pro 4
- Strong sound (99th percentile)99th %ile
- Strong connectivity (99th percentile)99th %ile
- Strong mic (98th percentile)98th %ile
- Strong user sentiment (97th percentile)97th %ile
Ttbesmi Heart Wireless Earbuds K520
- Strong build (91st percentile)91st %ile
- Strong mic (82nd percentile)82nd %ile
- Strong anc (73rd percentile)
- Strong battery (68th percentile)
- Below average sound (28th percentile)
- Below average comfort (29th percentile)
Verdict
Scores 86 overall, wins 7 of 7 usage categories and 14 of 37 specs.