The Apple Watch Series 4 Aluminum supports 1 codec (SBC). The alcatel OT-880 One Touch XTRA supports 1 codec (SBC).
| Codec | Apple Watch Series 4 Aluminum Details | Change |
alcatel OT-880 One Touch XTRA Details | Change |
|---|---|---|
| aptX LL | No | No |
| aptX HD | No | No |
| LDAC | No | No |
| AAC | No | No |
| UHQ | No | No |
| aptX | No | No |
| SBC | Yes | Yes |
| Bluetooth Version | 5.0 | 2.0 |
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