The Xiaomi Redmi 4 (China) and Sony MDR-ZX770BN have 1 common Bluetooth A2DP audio codec (SBC). The Xiaomi Redmi 4 (China) supports 1 codec (SBC). The Sony MDR-ZX770BN supports 3 codecs (AAC, aptX, SBC).
| Codec | Xiaomi Redmi 4 (China) Details | Change |
Sony MDR-ZX770BN Details | Change |
|---|---|---|
| aptX LL | No | No |
| aptX HD | No | No |
| LDAC | No | No |
| AAC | No | Yes |
| UHQ | No | No |
| aptX | No | Yes |
| SBC | Yes | Yes |
| Bluetooth Version | 4.1 | 3.0 |
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