The Microsoft Surface Duo 2 supports 2 codecs (aptX, SBC). The alcatel OT-S621 supports 1 codec (SBC).
| Codec |
Microsoft Surface Duo 2
Details | Change |
alcatel OT-S621
Details | Change |
| aptX LL |
No |
No |
| aptX HD |
No |
No |
| LDAC |
No |
No |
| AAC |
No |
No |
| UHQ |
No |
No |
| aptX |
Yes |
No |
| SBC |
Yes |
Yes |
| Bluetooth Version |
5.1 |
2.0 |
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