The Celkon A21 supports 1 codec (SBC). The alcatel 3 (2019) supports 5 codecs (aptX HD, LDAC, AAC, aptX, SBC).
| Codec |
Celkon A21
Details | Change |
alcatel 3 (2019)
Details | Change |
| aptX LL |
No |
No |
| aptX HD |
No |
Yes |
| LDAC |
No |
Yes |
| AAC |
No |
Yes |
| UHQ |
No |
No |
| aptX |
No |
Yes |
| SBC |
Yes |
Yes |
| Bluetooth Version |
4.0 |
4.2 |
Comments