New
Rulefiss Q38
Form Factor in-ear
driver type graphene moving coil
Wireless Yes
bluetooth version 5.3
battery life hours 7
case battery hours 48
water resistance IPX7
43 Overall Score
No current retailer price
Snapshot
Pros & Cons
Pros
- Strong social proof (90th percentile) 90th
- Strong battery (89th percentile) 89th
- Strong mic (81st percentile) 81st
- Strong sound (80th percentile) 80th
Cons
- Below average affordability (0th percentile)
- Below average comfort (27th percentile)
- Below average anc (31st percentile)
- Below average build (34th percentile)
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | in-ear |
| Wearing Style | ear-hook |
| Ear Tips | S, M, L |
Audio
| Driver Type | graphene moving coil |
| Driver Size | 13 |
| Freq Min | 20 |
| Freq Max | 20000 |
| Impedance | 32 |
| Codecs | AAC, SBC |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.3 |
| Profiles | HSP, HFP, A2DP, AVRCP |
| Multipoint | No |
Earbud Battery
| Battery Life | 7 |
| Charge Time | 1.5 |
| Fast Charging | type-C quick charge, 1.5 hrs to charge the case |
| Charging | USB-C |
Case Battery
| Case Battery | 48 |
| Case Charging | USB-C |
Microphone
| Microphone | Yes |
| Mic Count | 2 |
| NC Mic | Yes |
Features
| Voice Assistant | Siri, Google Assistant |
| Touch Controls | Yes |
| Water Resistance | IPX7 |
vs Competition
| Spec | Rulefiss Q38 | JLab JBuds Pods ANC | Samsung Galaxy Buds Buds3 Pro | Soundcore P31i | EarFun Air Pro 4 | Anker Space A40 A3936011 |
|---|---|---|---|---|---|---|
| Form Factor | in-ear | in-ear | in-ear | in-ear | in-ear | in-ear |
| Driver Type | graphene moving coil | dynamic | dynamic | dynamic | hybrid | DLC Driver |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | - | true | true | true | true | true |
| Bluetooth Version | 5.3 | 5.4 | 5.4 | 6.1 | 5.4 | 5.2 |
| Battery Life Hours | 7 | 10 | 6 | 10 | 11 | 10 |
| Case Battery Hours | 48 | 56 | 26 | 50 | 52 | 50 |
| Water Resistance | IPX7 | IP55 | IP57 | IP55 | IPX5 | IPX4 |
| Multipoint | false | true | true | - | true | true |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | Connectivity | Social Proof | Affordability |
|---|---|---|---|---|---|---|---|---|---|
| Rulefiss Q38 | 30.8 | 81 | 33.8 | 79.7 | 88.6 | 27.4 | 77.4 | 89.7 | 0 |
| JLab JBuds Pods ANC Compare | 93.5 | 97.4 | 90.8 | 87.1 | 94 | 93.2 | 98.1 | 95.5 | 32.9 |
| Samsung Galaxy Buds Buds3 Pro Compare | 97.5 | 97.4 | 98.9 | 92.3 | 70.6 | 93.2 | 99.6 | 89.7 | 7.2 |
| Soundcore P31i Compare | 90 | 97.4 | 90.8 | 96.6 | 92.3 | 69.7 | 86.2 | 89.7 | 57.5 |
| EarFun Air Pro 4 Compare | 90 | 97.4 | 90.8 | 99.9 | 93.3 | 69.7 | 99.2 | 89.7 | 23.5 |
| Anker Space A40 A3936011 Compare | 97.5 | 81 | 78.8 | 88.8 | 92.3 | 93.2 | 96.8 | 72.9 | 32.8 |
Price
Value & Pricing
We started tracking prices for this product on Nov 9, 2026. The chart appears once we have more data.
Usage Scores
- Calls41.7
- Music43
- Overall43
- Budget44.3
- Gaming51
- Travel37.6
- Commute35.3
- Fitness31.6
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
