In depth comparison and review of Trust Comi and Poly Voyager 4220 Office (UC Series). 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 | Trust Comi | Poly Voyager 4220 Office (UC Series) |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headset - Bluetooth - wireless - USB-C | |
|---|---|---|---|
| Series | - | UC Series | |
| Height | 17.5 cm | - | |
| Width | 14.5 cm | - | |
| Depth | 7 cm | - | |
| Weight | 117 g | 150 g | Trust Comi are lighter than Trust Comi headphones. |
| Colour | Orange | Blue | Violet | - | |
| Earpad Material | Synthetic leather | - | |
| Design | Kids | - | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | 30 m | Poly Voyager 4220 Office (UC Series) have a greater operating distance than Trust Comi. |
| SOUND QUALITY | Trust Comi | Poly Voyager 4220 Office (UC Series) |
|---|
| Headphones Form Factor | Full size | On-ear | |
|---|---|---|---|
| Ear Cups Type | Closed | - | |
| Adjustable Headband | Yes | - | |
| Connectivity Technology | Wireless | Wireless | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.2 | Bluetooth 4.1 | Trust Comi have a more advanced version of Bluetooth than Poly Voyager 4220 Office (UC Series). |
| Bluetooth Profiles | - | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | |
| Volume Limiting Function | Yes | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 85 dB | 94 dB | Poly Voyager 4220 Office (UC Series) have higher sensitivity than Trust Comi. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 40 mm | 32 mm | Trust Comi have a thicker diaphragm than Poly Voyager 4220 Office (UC Series). |
| Magnet Material | Neodymium | - | |
| Features | - | SoundGuard Technology |
| MICROPHONE | Trust Comi | Poly Voyager 4220 Office (UC Series) |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | Boom | |
| Microphone Technology | Condenser | - | |
| Microphone Operation Mode | Omni-directional | Uni-directional | |
| Frequency Response | 50 - 16000 Hz | - | |
| Microphones Included | - | 2 |
| REMOTE CONTROL | Trust Comi | Poly Voyager 4220 Office (UC Series) |
|---|
| Controls | Volume, answer/end, play/pause | Mute, volume, answer/end, play/pause, next/previous track |
|---|
| CABLE | Trust Comi | Poly Voyager 4220 Office (UC Series) |
|---|
| Cable Type | USB charge cable - detachable | - |
|---|
| FEATURES | Trust Comi | Poly Voyager 4220 Office (UC Series) |
|---|
| Features | - | Voice alerts |
|---|
| BATTERY AND CHARGING | Trust Comi | Poly Voyager 4220 Office (UC Series) |
|---|
| Battery Type | Headphone battery rechargeable | Headset battery rechargeable - lithium polymer | |
|---|---|---|---|
| Battery Capacity | - | 360 mAh | |
| Battery Life | 20 hour(s) | 12 hour(s) | Trust Comi lasts longer on a single charge than the Poly Voyager 4220 Office (UC Series). |
| Battery Life Details | Continuous playback: up to 20 hours Continuous talk: up to 10 hours |
Continuous playback: up to 15 hours Continuous talk: up to 12 hours |
|
| Standby Time | - | 312 hours | |
| Charging Time | - | 1.5 hour(s) |
| OTHERS | Trust Comi | Poly Voyager 4220 Office (UC Series) |
|---|
| Included Accessories | - | Wireless headset system base, Bluetooth USB-C adapter | |
|---|---|---|---|
| Service & Support | Limited warranty - 2 years | - |
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