In depth comparison and review of JVC HA S31M and Trust Comi. 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 | JVC HA S31M | Trust Comi |
|---|
| Product Type | Headphones - wired - 3.5 mm jack | Headphones - Bluetooth - wireless | |
|---|---|---|---|
| Height | - | 17.5 cm | |
| Width | - | 14.5 cm | |
| Depth | - | 7 cm | |
| Weight | 140 g | 117 g | Trust Comi are lighter than JVC HA S31M headphones. |
| Colour | - | Orange | Blue | Violet | |
| Earpad Material | - | Synthetic leather | |
| Design | - | Kids | |
| Recommended Use | Portable electronics | Portable electronics | |
| Bluetooth Range (Operating Distance) | - | 10 m |
| SOUND QUALITY | JVC HA S31M | Trust Comi |
|---|
| Headphones Form Factor | On-ear | Full size | |
|---|---|---|---|
| Ear Cups Type | - | Closed | |
| Adjustable Headband | - | Yes | |
| Connectivity Technology | Wired | Wireless | |
| Wireless Technology | - | Bluetooth | |
| Bluetooth Version | - | Bluetooth 4.2 | |
| Volume Limiting Function | - | Yes | |
| Sound Output Mode | - | Stereo | |
| Frequency Response | 10 - 26000 Hz | 20 - 20000 Hz | JVC HA S31M offer a larger frequency range than Trust Comi. |
| Sensitivity | - | 85 dB | |
| Impedance | 32 Ohm | 32 Ohm | |
| Diaphragm | - | 40 mm | |
| Magnet Material | Neodymium | Neodymium | |
| In-Cord Volume Control | Yes | - |
| MICROPHONE | JVC HA S31M | Trust Comi |
|---|
| Form Factor | - | Built-in | |
|---|---|---|---|
| Microphone Technology | - | Condenser | |
| Microphone Operation Mode | - | Omni-directional | |
| Frequency Response | - | 50 - 16000 Hz |
| REMOTE CONTROL | JVC HA S31M | Trust Comi |
|---|
| Controls | 4-button remote | Volume, answer/end, play/pause |
|---|
| CABLE | JVC HA S31M | Trust Comi |
|---|
| Cable Type | Headphones cable - single-sided - L shaped - 1.2 m | USB charge cable - detachable | |
|---|---|---|---|
| Cable Length | 1.2 m | - | |
| Plated Connector | Gold | - |
| BATTERY AND CHARGING | JVC HA S31M | Trust Comi |
|---|
| Battery Type | - | Headphone battery rechargeable | |
|---|---|---|---|
| Battery Life | - | 20 hour(s) | |
| Battery Life Details | - | Continuous playback: up to 20 hours Continuous talk: up to 10 hours |
| CONNECTIONS | JVC HA S31M | Trust Comi |
|---|
| Connector Type | Headphones (mini-phone stereo 3.5 mm) | - |
|---|
| OTHERS | JVC HA S31M | Trust Comi |
|---|
| Compatibility | iPhone | - | |
|---|---|---|---|
| Service & Support | - | Limited warranty - 2 years |
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