Image © HaylouThe Haylou FlowLoop S33 is an affordable over-ear headphone that pairs hybrid active noise cancellation with a remarkably long battery life of up to 100 hours. It supports LDAC for high-resolution wireless audio, Bluetooth 6.0, and multipoint connectivity, making it a versatile budget pick. With a foldable design, custom EQ, and transparent mode, it aims to deliver solid everyday performance without breaking the bank.
Paraphrased from published reviews & specs - not an original hands-on test. Our AI disclosure.
| Driver | 40 mm dynamic |
|---|---|
| Driver type | dynamic |
| Driver size | 40 mm |
| Drivers per side | 1 |
| Frequency response | 20 Hz - 20 kHz |
| Sensitivity | 97 dB/mW |
| Driver | 40 mm dynamic |
|---|---|
| Driver type | dynamic |
| Driver size | 40 mm |
| Drivers per side | 1 |
| Frequency response | 20 Hz - 20 kHz |
| Sensitivity | 97 dB/mW |
| Bluetooth | 6.0 |
|---|---|
| Codecs | LDAC |
| Multipoint pairing | Yes |
| Latency | 65 ms |
| Wireless range | 10 m |
| Battery life | 100 h |
|---|---|
| Battery life (ANC on) | 70 h |
| Full charge time | 180 min |
| Wireless charging | No |
| Active noise cancelling | Yes |
|---|---|
| ANC type | hybrid |
| Transparency mode | Yes |
| Companion app | Yes |
| Custom EQ | Yes |
| Controls | buttons |
| Weight | 250 g |
|---|---|
| Foldable | Yes |
| USB-C | Yes |
| Microphones | 5 |
|---|---|
| Microphone type | MEMS |
| Call noise reduction | Yes |
| Call NR technology | ENC |
2 source(s) feeding this product's score.
Video reviews we found, each condensed to its verdict. They do feed the HearWiki score, at a measured weight below what a published written review carries.
7:20The reviewer praises the Haylou FlowLoop S33 as an excellent budget over-ear headphone, highlighting its strong bass, clear highs, effective noise cancellation, and long battery life. He finds them very comfortable and recommends them for the price, despite minor issues like a sparse package and slight microphone crackling in wind.
Summaries are AI condensations of each video's own conclusion, not transcripts. Titles, thumbnails and view counts belong to their channels.
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