| Name | NEGATIVE SQUARED LATIN CAPITAL LETTER J |
| Unicode Version | 5.2 |
| 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 | 🅹 f09f85b9 |
| UTF-16 Encoding | 🅹 d83cdd79 |
| UTF-32 Encoding | 🅹 0001f179 |