XRO Member Ages
Ranked from oldest to youngest.
| Member | Birthday | Age |
|---|
| 1. Hiro | Nov 24, 1997 | 25 years old |
| 2. Jaechan | Nov 30, 1999 | 23 years old |
XRO Member Heights
Ranked from tallest to shortest.
| Member | Height |
|---|
| 1. Jaechan | 1.75 m (5’9″) |
| 2. Hiro | |
Members and Positions
| Member | Positions |
|---|
| Hiro | vocalist |
| Jaechan | vocalist, maknae |
Fun Facts and Trivia
- Yoon Jaechan was a contestant on Produce 101 season 2 (rank #55).
- Hiyama Kazuhiro was a contestant on the survival show MIXNINE.
- The oldest member of XRO is Hiyama Kazuhiro, better known as Hiro (born Nov 24, 1997).
- The youngest member (maknae) of XRO is Yoon Jaechan (born Nov 30, 1999).
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