New
EarFun K4
The 40mm drivers and Bluetooth 5.4 deliver clear audio, while the 90-hour battery and triple-level volume limiting (74/85/94dBA) ensure safe all-day listening in a 210g BPA-free build. Five LED light modes add fun, and a 10-minute charge provides 8 hours of playtime. Ideal for parents equipping school-age kids with durable, hearing-protective headphones for tablets, online learning, and travel.
form factor over-ear
driver type Dynamic Driver
driver size mm 40
impedance ohms 32
Wireless Yes
bluetooth version 5.4
battery life hours 90
68 Overall Score
Price CA$37
Snapshot
Pros & Cons
Pros
- Strong battery (97th percentile) 97th
- Strong comfort (92th percentile) 92th
- Strong social proof (92th percentile) 92th
- Strong build (88th percentile) 88th
Cons
- Below average anc (30th percentile)
What owners think
How owner sentiment changed over time
ExclusiveBased on when customers actually wrote their reviews — so you can see whether early praise held up.
Owner sentiment has improved over time
85/100Our AI sentiment read
Based on 13 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | over-ear |
| Foldable | Yes |
| Weight | 0.2 kg / 0.5 lbs |
| Ear Cushion | Leather |
Audio
| Driver Type | Dynamic Driver |
| Driver Size | 40 |
| Freq Max | 20000 |
| Impedance | 32 |
| Sensitivity | 100 |
| Codecs | Volume Limited for Kids, LED Lights, Long Battery Life, Bluetooth 5.4 |
Noise Control
| ANC | No |
Connectivity
| Wireless | Yes |
| Bluetooth | 5.4 |
| Wired Connector | 3.5mm |
Battery
| Battery Life | 90 |
| Charge Time | 0.17 |
| Fast Charging | 10-minute charging providing 8 hours battery life |
| Charging | USB-C |
Microphone
| Microphone | Yes |
| NC Mic | Yes |
Features
| Touch Controls | No |
| Volume Limiting | Yes |
| Water Resistance | Water-Resistant |
vs Competition
| Spec | EarFun K4 | JBL Live 770NC | TOZO HT3 HT3 | Soundcore Life Q20 A3025 | QCY H3 H3 | Sony WH-CH720N WHCH720N |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | over-ear | over-ear | over-ear |
| Driver Type | Dynamic Driver | Dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | 40 | 40 | 40 | 40 | 40 | 30 |
| Impedance Ohms | 32 | 32 | 16 | 16 | 32 | 325 |
| Wireless | true | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Open Closed Back | - | closed | closed | closed | closed | closed |
| Bluetooth Version | 5.4 | 5.3 | 6.0 | 5.0 | 5.4 | 5.2 |
| Battery Life Hours | 90 | 65 | 90 | 60 | 60 | 35 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| EarFun K4 | 30.4 | 66.6 | 87.6 | 73.1 | 96.9 | 91.7 | 70.1 | 71.5 | 91.5 |
| JBL Live 770NC Compare | 97.5 | 78.5 | 97.2 | 84.8 | 91.5 | 50.2 | 70.1 | 99.9 | 91.5 |
| TOZO HT3 HT3 Compare | 87.3 | 85.1 | 95.9 | 98.9 | 96.9 | 50.2 | 96.2 | 96.6 | 91.5 |
| Soundcore Life Q20 A3025 Compare | 92.2 | 85.1 | 92.4 | 88.9 | 89 | 86.6 | 70.1 | 91.1 | 83.1 |
| QCY H3 H3 Compare | 92.2 | 82.8 | 77.2 | 85.8 | 84.9 | 86.6 | 70.1 | 96.6 | 83.1 |
| Sony WH-CH720N WHCH720N Compare | 97.5 | 78.5 | 97.2 | 71.1 | 75.1 | 2.3 | 0 | 97.1 | 83.1 |
Price
Value & Pricing
From CA$37
Amazon.ca 1 offers From CA$37
May 22, 2026 CA$37
Usage Scores
A full written review is coming soon. The specs, scores, prices and charts above are always up to date.
