In depth comparison and review of Poly Voyager 4220 Office (UC Series) and Cooler Master MH670. 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) | Cooler Master MH670 |
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Product Type | Headset - Bluetooth - wireless - USB-C | Headset - 2.4 GHz - wireless | |
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Series | UC Series | - | |
Height | - | 19.15 cm | |
Width | - | 19.2 cm | |
Depth | - | 8.5 cm | |
Weight | 150 g | 346.5 g | Poly Voyager 4220 Office (UC Series) are lighter than Poly Voyager 4220 Office (UC Series) headphones. |
Body Material | - | Plastic, steel | |
Earpad Material | - | Foam, polyurethane leather | |
Headband Material | - | PU leather | |
Bluetooth Range (Operating Distance) | 30 m | - |
SOUND QUALITY | Poly Voyager 4220 Office (UC Series) | Cooler Master MH670 |
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Headphones Form Factor | On-ear | Full size | |
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Connectivity Technology | Wireless | Wireless | |
Wireless Technology | Bluetooth | 2.4 GHz radio frequency | |
Bluetooth Version | Bluetooth 4.1 | - | |
Bluetooth Profiles | Hands-Free Profile (HFP), Headset Profile (HSP), Advanced Audio Distribution Profile (A2DP), Audio/Video Remote Control Profile (AVRCP) | - | |
Sound Output Mode | Stereo | Stereo | |
Sound Effects | - | 7.1 Channel Virtual Surround Sound | |
Frequency Response | 20 - 20000 Hz | 15 - 20000 Hz | Cooler Master MH670 offer a larger frequency range than Poly Voyager 4220 Office (UC Series). |
Max Input Power | - | 150 mW | |
Sensitivity | 94 dB | 110 dB | Cooler Master MH670 have higher sensitivity than Poly Voyager 4220 Office (UC Series). |
Impedance | 32 Ohm | 32 Ohm | |
Diaphragm | 32 mm | 50 mm | Cooler Master MH670 have a thicker diaphragm than Poly Voyager 4220 Office (UC Series). |
Magnet Material | - | Neodymium | |
Features | SoundGuard Technology | - | |
In-Cord Volume Control | - | Yes |
MICROPHONE | Poly Voyager 4220 Office (UC Series) | Cooler Master MH670 |
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Form Factor | - | Detachable headset microphone | |
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Type | Boom | Boom | |
Microphone Operation Mode | Uni-directional | Omni-directional | |
Frequency Response | - | 50 - 18000 Hz | |
Sensitivity | - | -40 dB | |
Signal-To-Noise Ratio | - | 50 dB | |
Microphones Included | 2 | - |
REMOTE CONTROL | Poly Voyager 4220 Office (UC Series) | Cooler Master MH670 |
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Controls | Mute, volume, answer/end, play/pause, next/previous track | Power on/off, microphone on/mute, master volume |
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CABLE | Poly Voyager 4220 Office (UC Series) | Cooler Master MH670 |
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Cable Type | - | Mini-phone 3.5 mm to mini-phone 3.5 mm cable - 1.5 m Micro-USB charge cable - 1.2 m USB-C to USB-A adapter |
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Cable Length | - | 1.5 m |
FEATURES | Poly Voyager 4220 Office (UC Series) | Cooler Master MH670 |
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Features | Voice alerts | - |
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BATTERY AND CHARGING | Poly Voyager 4220 Office (UC Series) | Cooler Master MH670 |
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Battery Type | Headset battery rechargeable - lithium polymer | Headset battery rechargeable | |
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Battery Capacity | 360 mAh | 1500 mAh | Cooler Master MH670 have a higher battery capacity than Poly Voyager 4220 Office (UC Series). |
Battery Life | 12 hour(s) | 24 hour(s) | Cooler Master MH670 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 |
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Standby Time | 312 hours | - | |
Charging Time | 1.5 hour(s) | - |
CONNECTIONS | Poly Voyager 4220 Office (UC Series) | Cooler Master MH670 |
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Connector Type | - | USB 2.0 (4 PIN USB Type A) |
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OTHERS | Poly Voyager 4220 Office (UC Series) | Cooler Master MH670 |
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Included Accessories | Wireless headset system base, Bluetooth USB-C adapter | - | |
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Service & Support | - | Limited warranty - 2 years |