| idol_id | 2049 |
| Selca owner | |
| Pop type | K-pop |
| Stage name (romanized) | Baby |
| Stage name (original) | 베이비 |
| Real name (romanized) | Hsieh Chia-hsuan |
| Real name (original) | 謝佳軒 |
| Birth date | 2009-02-10 (age 17) ▲ ▼ |
| Chinese zodiac sign | 🐂 Ox |
| Western zodiac sign | ♒ Aquarius |
| Hometown | Kaohsiung |
| Height | |
| Weight | |
| Blood type | |
| Debut date | 2026-07-22 ▲ ▼ |
| Country of origin | 
Taiwan, Republic of China |
| Name | Company | Fandom | Debut date | Disbandment date | Current member | |
|---|---|---|---|---|---|---|
| OURBIRTHDAY (아워벌스데이) | Innit Entertaintment | 2026 | Yes |