In depth comparison and review of Poly Voyager 4220 Office (UC Series) and Kokoon Relax. Compare design, audio features, functions and other important specifications to easily choose the right headphones for you. Our goal is to help you uncover differences between the products and find the headphones that will best fit your needs.
| DESIGN AND DIMENSIONS | Poly Voyager 4220 Office (UC Series) | Kokoon Relax |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Series | UC Series | - | |
| Height | - | 17.9 cm | |
| Width | - | 15.9 cm | |
| Depth | - | 9.4 cm | |
| Weight | 150 g | 350 g | Poly Voyager 4220 Office (UC Series) are lighter than Poly Voyager 4220 Office (UC Series) headphones. |
| Colour | - | Black | |
| Earpad Material | - | Silicone, fibre fabrics | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 Office (UC Series) | 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 Office (UC Series) 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 Office (UC Series). |
| Features | SoundGuard Technology | Active White Noise |
| MICROPHONE | Poly Voyager 4220 Office (UC Series) | Kokoon Relax |
|---|
| Type | Boom | On-cable | |
|---|---|---|---|
| Microphone Operation Mode | Uni-directional | - | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 Office (UC Series) | Kokoon Relax |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track | Power on/off |
|---|
| CABLE | Poly Voyager 4220 Office (UC Series) | Kokoon Relax |
|---|
| Cable Type | - | Micro-USB charge cable - detachable Headphones cable - detachable - with remote control and mic |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | Poly Voyager 4220 Office (UC Series) | Kokoon Relax |
|---|
| Features | Voice alerts | - | |
|---|---|---|---|
| Sensors | - | Accelerometer, EEG sensor |
| BATTERY AND CHARGING | Poly Voyager 4220 Office (UC Series) | 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 Office (UC Series). |
| Battery Life | 12 hour(s) | 13 hour(s) | Kokoon Relax lasts longer on a single charge than the Poly Voyager 4220 Office (UC Series). |
| 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 Office (UC Series) | Kokoon Relax |
|---|
| Connector Type | - | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | Poly Voyager 4220 Office (UC Series) | Kokoon Relax |
|---|
| Included Accessories | Wireless headset system base, Bluetooth USB-C adapter | Carrying case, micro-USB charging cable, eye mask | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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