Side by side comparison and review of Poly Voyager 4220 and Kokoon Relax. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | Poly Voyager 4220 | Kokoon Relax |
|---|
| Product Type | Headset - Bluetooth - wireless | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Series | 4200 UC Series | - | |
| Height | - | 17.9 cm | |
| Width | - | 15.9 cm | |
| Depth | - | 9.4 cm | |
| Weight | 150 g | 350 g | Poly Voyager 4220 are lighter than Poly Voyager 4220 headphones. |
| Colour | - | Black | |
| Earpad Material | - | Silicone, fibre fabrics | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 | Kokoon Relax |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 5.0 | Bluetooth 4.0 | Poly Voyager 4220 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) | - | |
| Bluetooth Audio Codec | SBC, mSBC | - | |
| 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 | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 40 mm | Kokoon Relax have a thicker diaphragm than Poly Voyager 4220. |
| Features | SoundGuard DIGITAL Technology | Active White Noise |
| MICROPHONE | Poly Voyager 4220 | Kokoon Relax |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | On-cable | |
| Microphone Operation Mode | Uni-directional, MEMS-directional | - | |
| Noise Cancelling | Yes | - | Poly Voyager 4220 microphone can cancel out ambient noise. |
| Frequency Response | 100 - 6800 Hz | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 | Kokoon Relax |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant | Power on/off |
|---|
| CABLE | Poly Voyager 4220 | Kokoon Relax |
|---|
| Cable Type | - | Micro-USB charge cable - detachable Headphones cable - detachable - with remote control and mic |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | Poly Voyager 4220 | Kokoon Relax |
|---|
| Features | Voice alerts | - | |
|---|---|---|---|
| Sensors | - | Accelerometer, EEG sensor |
| BATTERY AND CHARGING | Poly Voyager 4220 | 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. |
| Battery Life | 15 hour(s) | 13 hour(s) | Poly Voyager 4220 lasts longer on a single charge than the Kokoon Relax. |
| 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 | Kokoon Relax |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Poly Voyager 4220 | 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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