The Xiaomi Redmi S2 and Koss Porta Pro Wireless have 2 common Bluetooth A2DP audio codecs (aptX, SBC). The Xiaomi Redmi S2 supports 5 codecs (aptX HD, LDAC, AAC, aptX, SBC). The Koss Porta Pro Wireless supports 2 codecs (aptX, SBC).
| Codec | Xiaomi Redmi S2 Details | Change |
Koss Porta Pro Wireless 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 | 4.2 | 4.1 |
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