Please find the differences in this comparison table:
| 1st generation | 2nd generation | |
| Basic design | Soft neckband/chest design | Semi-rigid neckband design, can be coiled |
| Used materials | Plastic, metal faceplates | Plastic, more metal parts including metal faceplates |
| Eartips | 5 pairs, soft silicone, bell shape | 5 pairs, soft silicone, bowl shape Improved fit and comfort as compared to 1st generation |
| Remote control | 3-button, bigger design | 3-button, compact design |
| Charging/data interface | USB-C | USB-C |
| Audio codecs | Qualcomm® aptX™ (Classic), aptX™ Low Latency, AAC, SBC | Qualcomm® aptX™ Adaptive, aptX™ (Classic), AAC, SBC |
| Qualcomm® cVc™ | no | yes (8th generation) |
| Supports use during charging | no | yes |
| Protective class | none | IPX4, sweat and water resistant |
| Runtime | up to 6:00 h | up to 14:00 h |
| Google Fast Pair | no | yes |
| Apple MFi certified | no | yes |
| Amazon Alexa built-in | no | yes |