| Name | NEGATIVE SQUARED LATIN CAPITAL LETTER O |
| Unicode Version | 6.0 |
| Block（ブロック） | Enclosed Alphanumeric Supplement（囲み英数字補助） |
| Plane（面） | Supplementary Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | 🅾 🅾 |
| UTF-8 Encoding | 🅾 f09f85be |
| UTF-16 Encoding | 🅾 d83cdd7e |
| UTF-32 Encoding | 🅾 0001f17e |