Detailed comparison and review of Poly Blackwire 3325 and Kokoon Relax. With our comprehensive overview, you can simply compare design, sound quality, but also other key features of both headphones and easily decide which ones are the right choice for you. Our goal is to help you identify the main differences between products and find the headphones that best fit your needs and expectations.
| DESIGN AND DIMENSIONS | Poly Blackwire 3325 | Kokoon Relax |
|---|
| Product Type | Headset - wired - USB, 3.5 mm jack | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Series | 3300 Series | - | |
| Height | 18.6 cm | 17.9 cm | |
| Width | 21.6 cm | 15.9 cm | |
| Depth | 5.6 cm | 9.4 cm | |
| Weight | 130 g | 350 g | Poly Blackwire 3325 are lighter than Poly Blackwire 3325 headphones. |
| Colour | - | Black | |
| Earpad Material | Leatherette | Silicone, fibre fabrics | |
| Protection | Hearing protection | - |
| SOUND QUALITY | Poly Blackwire 3325 | Kokoon Relax |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wired | Wireless, wired | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.0 | |
| Active Noise Cancelling | - | Yes | Kokoon Relax are equipped with active noice cancellation. |
| Noise Isolating | - | Yes | Kokoon Relax are equipped with a noise isolating function. |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | - | |
| Sensitivity | 94 dB | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 40 mm | Kokoon Relax have a thicker diaphragm than Poly Blackwire 3325. |
| Features | SoundGuard Technology | Active White Noise | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | Poly Blackwire 3325 | Kokoon Relax |
|---|
| Type | Boom | On-cable | |
|---|---|---|---|
| Noise Cancelling | Yes | - | Poly Blackwire 3325 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 10000 Hz | - | |
| Sensitivity | -38 dB | - |
| REMOTE CONTROL | Poly Blackwire 3325 | Kokoon Relax |
|---|
| Controls | Mute, volume, answer/end | Power on/off |
|---|
| CABLE | Poly Blackwire 3325 | Kokoon Relax |
|---|
| Cable Type | Headset cable | Micro-USB charge cable - detachable Headphones cable - detachable - with remote control and mic |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | Poly Blackwire 3325 | Kokoon Relax |
|---|
| Sensors | - | Accelerometer, EEG sensor |
|---|
| BATTERY AND CHARGING | Poly Blackwire 3325 | Kokoon Relax |
|---|
| Battery Type | - | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 500 mAh | |
| Battery Life | - | 13 hour(s) |
| CONNECTIONS | Poly Blackwire 3325 | Kokoon Relax |
|---|
| Connector Type | USB (4 PIN USB Type A) Headset (mini-phone 3.5mm) |
Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Poly Blackwire 3325 | Kokoon Relax |
|---|
| Included Accessories | Carrying pouch | Carrying case, micro-USB charging cable, eye mask | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| Service & Support | Limited warranty - 2 years | Limited warranty - 2 years |
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