Poly Voyager 4220 USB-A vs. Kokoon Relax

Headphones Comparison, Reviews and Tests

Detailed comparison and review of Poly Voyager 4220 USB-A and Kokoon Relax. 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.

Headphones Specifications Comparison

Poly Voyager 4220 USB-A vs. Kokoon Relax Comparison Chart
DESIGN AND DIMENSIONS Poly Voyager 4220 USB-A Kokoon Relax
Product Type Headset - Bluetooth - wireless - USB Headphones - Bluetooth - wireless, wired - 3.5 mm jack
Height - 17.9 cm
Width - 15.9 cm
Depth - 9.4 cm
Weight 150 g 350 g Poly Voyager 4220 USB-A are lighter than Poly Voyager 4220 USB-A headphones.
Colour - Black
Earpad Material - Silicone, fibre fabrics
Bluetooth Range (Operating Distance) 30 m -
SOUND QUALITY Poly Voyager 4220 USB-A 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 USB-A 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 USB-A.
Features SoundGuard Technology Active White Noise
MICROPHONE Poly Voyager 4220 USB-A Kokoon Relax
Type Boom On-cable
Microphone Operation Mode Uni-directional -
Microphones Included 2 -
REMOTE CONTROL Poly Voyager 4220 USB-A Kokoon Relax
Controls Mute, volume, answer/end, play/pause, next/previous track Power on/off
CABLE Poly Voyager 4220 USB-A Kokoon Relax
Cable Type - Micro-USB charge cable - detachable
Headphones cable - detachable - with remote control and mic
Detachable Cable - Yes
FEATURES Poly Voyager 4220 USB-A Kokoon Relax
Features Voice alerts -
Sensors - Accelerometer, EEG sensor
BATTERY AND CHARGING Poly Voyager 4220 USB-A 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 USB-A.
Battery Life 12 hour(s) 13 hour(s) Kokoon Relax lasts longer on a single charge than the Poly Voyager 4220 USB-A.
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 USB-A Kokoon Relax
Connector Type - Headphones (mini-phone stereo 3.5 mm 4-pole)
OTHERS Poly Voyager 4220 USB-A 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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