The Xiaomi Redmi K30 Pro Zoom supports 3 codecs (aptX HD, aptX, SBC). The alcatel OT-S621 supports 1 codec (SBC).
| Codec | Xiaomi Redmi K30 Pro Zoom Details | Change |
alcatel OT-S621 Details | Change |
|---|---|---|
| aptX LL | No | No |
| aptX HD | Yes | 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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