The vivo X21 supports 5 codecs (aptX HD, LDAC, AAC, aptX, SBC). The HTC Desire 501 dual sim supports 2 codecs (aptX, SBC).
| Codec | vivo X21 Details | Change |
HTC Desire 501 dual sim Details | Change |
|---|---|---|
| aptX LL | No | No |
| aptX HD | Yes | No |
| LDAC | Yes | No |
| AAC | Yes | No |
| UHQ | No | No |
| aptX | Yes | Yes |
| SBC | Yes | Yes |
| Bluetooth Version | 5.0 | 4.0 |
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