Side by side comparison and review of Sony WI-C400 and Poly Savi 8240-M D2. 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 | Sony WI-C400 | Poly Savi 8240-M D2 |
|---|
| Product Type | Earphones - Bluetooth - wireless - NFC | Headset | |
|---|---|---|---|
| Weight | 35 g | - | |
| Colour | Black | - | |
| Recommended Use | Portable electronics | - |
| SOUND QUALITY | Sony WI-C400 | Poly Savi 8240-M D2 |
|---|
| Headphones Form Factor | In-ear - behind-the-neck mount | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | - | |
| Wireless Technology | Bluetooth | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 8 - 22000 Hz | - | |
| Diaphragm | 9 mm | - | |
| Magnet Material | Neodymium | - |
| MICROPHONE | Sony WI-C400 | Poly Savi 8240-M D2 |
|---|
| Form Factor | Built-in | - |
|---|
| REMOTE CONTROL | Sony WI-C400 | Poly Savi 8240-M D2 |
|---|
| Controls | Volume, answer/end, play/pause | - |
|---|
| CABLE | Sony WI-C400 | Poly Savi 8240-M D2 |
|---|
| Cable Type | USB cable - 50 m | - |
|---|
| FEATURES | Sony WI-C400 | Poly Savi 8240-M D2 |
|---|
| Features | Vibrating call alert | - |
|---|
| BATTERY AND CHARGING | Sony WI-C400 | Poly Savi 8240-M D2 |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 20 hour(s) | - | |
| Charging Time | 4.5 hour(s) | - |
| CONNECTIONS | Sony WI-C400 | Poly Savi 8240-M D2 |
|---|
| Connector Type | USB (5 pin Micro-USB Type B) | - |
|---|
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