| What is the continuous playback time? | COWON Z2 | 2012/08/01 |
| Wireless internet is not connected. | COWON Z2 | 2012/08/01 |
| Computer cannot recognize the player when connected. | COWON Z2 | 2012/08/01 |
| I cant turn off my device. | COWON Z2 | 2012/08/01 |
| The player does not turn on. | COWON Z2 | 2012/08/01 |
| How long does it take to charge the battery? | COWON Z2 | 2012/08/01 |
| I cannot charge the battery. | COWON Z2 | 2012/08/01 |
| What are bundle accessories for iAUDIO 10? | iAUDIO 10 | 2012/03/27 |