Side by side comparison and review of JVC HA S31BT and Kokoon Relax. Compare design, sound quality and other key specifications and features to simplify the choice of your perfect headphones. Our goal is to make it easier for you to decide on the headphones that will best meet your expectations by revealing the main differences between the products.
| DESIGN AND DIMENSIONS | JVC HA S31BT | Kokoon Relax |
|---|
| Product Type | Headphones - Bluetooth - wireless | Headphones - Bluetooth - wireless, wired - 3.5 mm jack | |
|---|---|---|---|
| Height | - | 17.9 cm | |
| Width | - | 15.9 cm | |
| Depth | - | 9.4 cm | |
| Weight | 158 g | 350 g | JVC HA S31BT are lighter than JVC HA S31BT headphones. |
| Colour | - | Black | |
| Earpad Material | - | Silicone, fibre fabrics | |
| Recommended Use | Portable electronics | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | JVC HA S31BT | Kokoon Relax |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Foldable | Yes | - | JVC HA S31BT can be folded. |
| Connectivity Technology | Wireless | Wireless, wired | |
| Wireless Technology | Bluetooth | Bluetooth | |
| Bluetooth Version | Bluetooth 4.1 | Bluetooth 4.0 | JVC HA S31BT 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) | - | |
| Bluetooth Audio Codec | SBC | - | |
| 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 | |
| Sound Effects | Dynamic Bass Boost (DBB) | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | 30.7 mm | 40 mm | Kokoon Relax have a thicker diaphragm than JVC HA S31BT. |
| Magnet Material | Ferrite | - | |
| Features | - | Active White Noise |
| MICROPHONE | JVC HA S31BT | Kokoon Relax |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Type | - | On-cable |
| REMOTE CONTROL | JVC HA S31BT | Kokoon Relax |
|---|
| Controls | 4-button remote | Power on/off |
|---|
| CABLE | JVC HA S31BT | Kokoon Relax |
|---|
| Cable Type | USB charge cable - detachable | Micro-USB charge cable - detachable Headphones cable - detachable - with remote control and mic |
|
|---|---|---|---|
| Detachable Cable | - | Yes |
| FEATURES | JVC HA S31BT | Kokoon Relax |
|---|
| Sensors | - | Accelerometer, EEG sensor |
|---|
| BATTERY AND CHARGING | JVC HA S31BT | Kokoon Relax |
|---|
| Battery Type | Headphone battery rechargeable | Headphone battery rechargeable - Lithium Ion | |
|---|---|---|---|
| Battery Capacity | - | 500 mAh | |
| Battery Life | 17 hour(s) | 13 hour(s) | JVC HA S31BT lasts longer on a single charge than the Kokoon Relax. |
| Charging Time | 3 hour(s) | - |
| CONNECTIONS | JVC HA S31BT | Kokoon Relax |
|---|
| Connector Type | USB (power only) (micro-USB) | Headphones (mini-phone stereo 3.5 mm 4-pole) |
|---|
| OTHERS | JVC HA S31BT | Kokoon Relax |
|---|
| Included Accessories | - | Carrying case, micro-USB charging cable, eye mask | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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