IMPORTANT NOTE: Your earbud MUST be compatible with the listed firmware. To check firmware version, follow instructions provided below. Firmware version can be found using the Sony App. Your current earbud (left or right) must be connected and out of the case.
| SIDE | LEFT |
| FIRMWARE | V1.5.1 |
| Brand | Sony |
| Form Factor | In-Ear Only |
| Type | Earbud (In Ear) |
| Wireless Technology | Bluetooth |
| Color | Black |
| Model | Sony WF-LS910N |
| Connectivity | Bluetooth |
| Features | Wireless |
| MPN | WFLS910N/B |
| Country Of Origin | Vietnam |
If you like clean bass, what stands out about Sony models is the punch without overwhelming mids.