| Name | DOUBLE COLON EQUAL |
| Unicode Version | 3.2 |
| Block（ブロック） | Supplemental Mathematical Operators（補助数学記号） |
| Plane（面） | Basic Multilingual Plane（基本多言語面） |
| Script | |
| Category | |
| Bidirectional Class | |
| Combining Class | |
| Character is Mirrored | |
| HTML Entity | ⩴ ⩴ |
| UTF-8 Encoding | ⩴ e2a9b4 |
| UTF-16 Encoding | ⩴ 2a74 |
| UTF-32 Encoding | ⩴ 00002a74 |