The Xiaomi Redmi 4 (China) and Meizu EP51 have 1 common Bluetooth A2DP audio codec (SBC). The Xiaomi Redmi 4 (China) supports 1 codec (SBC). The Meizu EP51 supports 2 codecs (aptX, SBC).
| Codec | Xiaomi Redmi 4 (China) Details | Change |
Meizu EP51 Details | Change |
|---|---|---|
| aptX LL | No | No |
| aptX HD | No | No |
| LDAC | No | No |
| AAC | No | No |
| UHQ | No | No |
| aptX | No | Yes |
| SBC | Yes | Yes |
| Bluetooth Version | 4.1 | 4.0 |
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