Detailed comparison and review of Poly Voyager 4220 USB-A 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 Voyager 4220 USB-A | Kokoon Relax |
|---|
| Product Type | Headset - Bluetooth - wireless - USB | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 17.9 cm | |
| Width | - | 15.9 cm | |
| Depth | - | 9.4 cm | |
| Weight | 150 g | 350 g | Poly Voyager 4220 USB-A are lighter than Poly Voyager 4220 USB-A headphones. |
| Colour | - | Black | |
| Earpad Material | - | Silicone, fibre fabrics | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 USB-A | Kokoon Relax |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.0 | Poly Voyager 4220 USB-A have a more advanced version of Bluetooth than Kokoon Relax. |
| Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
| 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 Voyager 4220 USB-A. |
| Features | SoundGuard Technology | Active White Noise |
| MICROPHONE | Poly Voyager 4220 USB-A | Kokoon Relax |
|---|
| Type | Boom | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 USB-A | Kokoon Relax |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | Power on/off |
|---|
| CABLE | Poly Voyager 4220 USB-A | Kokoon Relax |
|---|
| Cable Type | - | Micro-USB charge cable - detachable Headphones cable - detachable - with remote control and mic |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | Poly Voyager 4220 USB-A | Kokoon Relax |
|---|
| Features | Voice alerts | - | |
|---|---|---|---|
| Sensors | - | Accelerometer, EEG sensor |
| BATTERY AND CHARGING | Poly Voyager 4220 USB-A | Kokoon Relax |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | 360 mAh | 500 mAh | Kokoon Relax have a higher battery capacity than Poly Voyager 4220 USB-A. |
| Battery Life | 12 hour(s) | 13 hour(s) | Kokoon Relax lasts longer on a single charge than the Poly Voyager 4220 USB-A. |
| Battery Life Details | Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
- | |
| Standby Time | 312 hours | - | |
| Charging Time | 1.5 hour(s) | - |
| CONNECTIONS | Poly Voyager 4220 USB-A | Kokoon Relax |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Poly Voyager 4220 USB-A | Kokoon Relax |
|---|
| Included Accessories | Bluetooth USB adapter | Carrying case, micro-USB charging cable, eye mask | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| Service & Support | - | Limited warranty - 2 years |
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