Detailed comparison and review of Poly Voyager 4220 USB-C and V7 HU521-2EP. 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-C | V7 HU521-2EP |
|---|
| Product Type | Headset - Bluetooth - wireless - USB-C | Headset - wired - USB | |
|---|---|---|---|
| Series | UC Series | - | |
| Height | - | 18.8 cm | |
| Width | - | 6.8 cm | |
| Depth | - | 16.5 cm | |
| Weight | 150 g | 172.5 g | Poly Voyager 4220 USB-C are lighter than Poly Voyager 4220 USB-C headphones. |
| Colour | - | Black | |
| Recommended Use | - | Computer | |
| Bluetooth Range (Operating Distance) | 30 m | - |
| SOUND QUALITY | Poly Voyager 4220 USB-C | V7 HU521-2EP |
|---|
| Headphones Form Factor | On-ear | On-ear | |
|---|---|---|---|
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wireless | Wired | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.0 | - | |
| 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 | - | |
| Sound Output Mode | Stereo | Stereo | |
| Frequency Response | 20 - 20000 Hz | 20 - 20000 Hz | Both headphones offer the same frequency response. |
| Sensitivity | 94 dB | 110 dB | V7 HU521-2EP have higher sensitivity than Poly Voyager 4220 USB-C. |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 32 mm | 40 mm | V7 HU521-2EP have a thicker diaphragm than Poly Voyager 4220 USB-C. |
| Features | SoundGuard DIGITAL Technology | - | |
| In-Cord Volume Control | - | Yes |
| MICROPHONE | Poly Voyager 4220 USB-C | V7 HU521-2EP |
|---|
| Form Factor | Headset microphone | - | |
|---|---|---|---|
| Type | Boom | Boom | |
| Microphone Operation Mode | Uni-directional | - | |
| Audio Input Details | - | Omni-directional - 300° | |
| Sensitivity | - | -44 dB | |
| Microphones Included | 2 | - |
| REMOTE CONTROL | Poly Voyager 4220 USB-C | V7 HU521-2EP |
|---|
| Controls | Mute, volume, answer/end, play/pause, next/previous track, reject call, redial, voice assistant | Mute, volume |
|---|
| CABLE | Poly Voyager 4220 USB-C | V7 HU521-2EP |
|---|
| Cable Type | - | Headset cable - 1.8 m | |
|---|---|---|---|
| Cable Length | - | 1.8 m |
| FEATURES | Poly Voyager 4220 USB-C | V7 HU521-2EP |
|---|
| Features | Voice alerts | - |
|---|
| BATTERY AND CHARGING | Poly Voyager 4220 USB-C | V7 HU521-2EP |
|---|
| Battery Type | Headset battery rechargeable - lithium polymer | - | |
|---|---|---|---|
| Battery Capacity | 360 mAh | - | |
| Battery Life | 15 hour(s) | - | |
| 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-C | V7 HU521-2EP |
|---|
| Connector Type | - | USB (4 PIN USB Type A) |
|---|
| OTHERS | Poly Voyager 4220 USB-C | V7 HU521-2EP |
|---|
| Included Accessories | Bluetooth USB adapter, charging stand | - | |
|---|---|---|---|
| Software Certification | Certified for Microsoft Teams | - | |
| Compliant Standards | - | FCC, RoHS | |
| Service & Support | - | Limited warranty - 2 years |
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