O2 by HYE-KYOUNG PARK (박혜경) has sold 115,718 copies in Korea.
O2 certifications and sales
| Country / region | Sales | Certification / source | Certification date / sales as of | |
 Korea |
115,718 | RIAK / Gaon charts |
Korea Sales: 115,718
Certification / note: RIAK / Gaon charts
Certification Date / sales as of:
|
|
| Total sales | 115,718 | (in 1 country) |
Total
Sales: 115,718
(in 1 country)
|