Side by side comparison and review of Belkin SoundForm Bolt 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 | Belkin SoundForm Bolt | Poly Savi 8240-M D2 |
|---|
| Product Type | True wireless earphones - Bluetooth - wireless | Headset | |
|---|---|---|---|
| Height | 3 cm | - | |
| Width | 6 cm | - | |
| Depth | 4.2 cm | - | |
| Weight | 21 g | - | |
| Colour | Black | Lavender | Teal | White | - | |
| Protection | Sweat-resistant, IPX4, water-resistant | - | |
| Recommended Use | Portable electronics, computer | - | |
| Bluetooth Range (Operating Distance) | 10 m | - |
| SOUND QUALITY | Belkin SoundForm Bolt | Poly Savi 8240-M D2 |
|---|
| Headphones Form Factor | In-ear | - | |
|---|---|---|---|
| Headphones Technology | Dynamic | - | |
| Connectivity Technology | Wireless | - | |
| Wireless Technology | Bluetooth | - | |
| Bluetooth Version | Bluetooth 5.2 | - | |
| Bluetooth Audio Codec | SBC | - | |
| Sound Output Mode | Stereo | - | |
| Frequency Response | 20 - 20000 Hz | - | |
| Diaphragm | 6 mm | - |
| MICROPHONE | Belkin SoundForm Bolt | Poly Savi 8240-M D2 |
|---|
| Form Factor | Built-in | - | |
|---|---|---|---|
| Microphones Included | 2 | - |
| REMOTE CONTROL | Belkin SoundForm Bolt | Poly Savi 8240-M D2 |
|---|
| Controls | Volume, answer/end, play/pause, next/previous track, reject call, voice assistant | - |
|---|
| CABLE | Belkin SoundForm Bolt | Poly Savi 8240-M D2 |
|---|
| Cable Type | USB-C charge cable | - |
|---|
| FEATURES | Belkin SoundForm Bolt | Poly Savi 8240-M D2 |
|---|
| Features | Stereo/mono mode, LED indicator | - | |
|---|---|---|---|
| Sensors | Touch control | - |
| BATTERY AND CHARGING | Belkin SoundForm Bolt | Poly Savi 8240-M D2 |
|---|
| Battery Type | Headphone battery rechargeable | - | |
|---|---|---|---|
| Battery Life | 9 hour(s) | - | |
| Battery Life Details | Continuous playback: up to 9 hours Continuous playback (with included charging case): up to 28 hours |
- | |
| Charging Time | 1.5 hour(s) | - |
| OTHERS | Belkin SoundForm Bolt | Poly Savi 8240-M D2 |
|---|
| Included Accessories | Charging case, 3 pairs of silicone ear tips (small, medium, large), USB-C charging cable | - | |
|---|---|---|---|
| Compatibility | iPhone, iPad, Android phone, Chrome OS, Windows | - | |
| Compliant Standards | FCC, RoHS, REACH | - | |
| Service & Support | Limited warranty - 2 years | - |
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