COOSII AC01
Its 40mm dynamic drivers and passive noise-isolating over-ear design block up to 85% of ambient sound for focused listening. The enlarged, deeply cushioned ear pads with breathable mesh and a lightweight 289g foldable frame prioritize all-day comfort and portability. This wired headset is best for students and remote workers needing an affordable, durable 3.5mm option for Chromebooks and tablets, though PC users will need an adapter for mic and volume control.
form factor over-ear
driver type dynamic
driver size mm 40
impedance ohms 32
open closed back closed
57 Overall Score
Price €44
Snapshot
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 cooled since launch
82/100Our AI sentiment read
Based on 11 dated customer reviews, grouped by calendar quarter. Period analysis is in English.
The proof
Performance
Specifications
Full Specifications
Design
| Form Factor | over-ear |
| Open/Closed | closed |
| Foldable | Yes |
| Weight | 0.3 kg / 0.6 lbs |
| Ear Cushion | Protein Leather |
| Headband | TPU |
Audio
| Driver Type | dynamic |
| Driver Size | 40 |
| Freq Max | 20000 |
| Impedance | 32 |
| Codecs | AC01 Over Ear Wired Headphones with Microphone, Corded Noise Isolating Stereo Headsets for Adults Teens with Long Cord Wire 3.5mm Plug for Cellphones, Tablets, Laptop, Chromebook (Black Blue) |
| Surround | AC01 Over Ear Wired Headphones with Microphone, Corded Noise Isolating Stereo Headsets for Adults Teens with Long Cord Wire 3.5mm Plug for Cellphones, Tablets, Laptop, Chromebook (Black Blue) | AC01 O |
Noise Control
| ANC | No |
| Transparency | Yes |
Connectivity
| Wireless | No |
| Wired Connector | 3.5mm |
Microphone
| Microphone | Yes |
| NC Mic | Yes |
Features
| Touch Controls | No |
| Water Resistance | Water-Resistant |
vs Competition
| Spec | COOSII AC01 | Sony ULT WEAR WHULT900N/B | Soundcore Life Q20 | TOZO HT3 | JBL Live 770NC | Sennheiser ACCENTUM Plus |
|---|---|---|---|---|---|---|
| Form Factor | over-ear | over-ear | over-ear | over-ear | over-ear | over-ear |
| Driver Type | dynamic | dynamic | dynamic | dynamic | dynamic | dynamic |
| Driver Size (mm) | 40 | 40 | 40 | 40 | 40 | 37 |
| Impedance Ohms | 32 | 314 | 16 | 16 | 32 | - |
| Wireless | false | true | true | true | true | true |
| Active Noise Cancellation | false | true | true | true | true | true |
| Open Closed Back | closed | closed | closed | closed | closed | closed |
| Bluetooth Version | - | 5.2 | 5.0 | 6.0 | 5.3 | 5.2 |
| Battery Life Hours | - | 30 | 60 | 90 | 65 | 50 |
| Compare | Compare | Compare | Compare | Compare |
| Product | Anc | Mic | Build | Sound | Battery | Comfort | User Sentiment | Connectivity | Social Proof |
|---|---|---|---|---|---|---|---|---|---|
| COOSII AC01 | 69.3 | 75.5 | 89.7 | 74.1 | 52.6 | 85.7 | 53 | 27.1 | 83.2 |
| Sony ULT WEAR WHULT900N/B Compare | 98.5 | 89.4 | 81.5 | 96.9 | 82.1 | 62.1 | 70.5 | 99.2 | 89.4 |
| Soundcore Life Q20 Compare | 95.2 | 89.4 | 89.7 | 100 | 93.1 | 91 | 95.8 | 91.8 | 89.4 |
| TOZO HT3 Compare | 92 | 89.4 | 96.3 | 99.2 | 98.1 | 62.1 | 95.8 | 97.7 | 94.9 |
| JBL Live 770NC Compare | 98.5 | 84.9 | 93.8 | 89.3 | 94.6 | 62.1 | 70.5 | 99.9 | 94.9 |
| Sennheiser ACCENTUM Plus Compare | 95.2 | 84.9 | 37.9 | 97 | 89.4 | 62.1 | 0 | 97.3 | 83.2 |
Price
Value & Pricing
From €44
