The Oppo K9s and Meizu EP51 have 2 common Bluetooth A2DP audio codecs (aptX, SBC). The Oppo K9s supports 3 codecs (aptX HD, aptX, SBC). The Meizu EP51 supports 2 codecs (aptX, SBC).
| Codec | Oppo K9s Details | Change |
Meizu EP51 Details | Change |
|---|---|---|
| aptX LL | No | No |
| aptX HD | Yes | No |
| LDAC | No | No |
| AAC | No | No |
| UHQ | No | No |
| aptX | Yes | Yes |
| SBC | Yes | Yes |
| Bluetooth Version | 5.2 | 4.0 |
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