ー
Technical information
| Name: | Halfwidth Katakana-hiragana Prolonged Sound Mark |
| Symbol: | ー |
| Unicode Number: | U+0FF70 |
| HTML Code: | ー ー |
| HTML Entity: | |
| CSS Code: | \FF70 |
| UTF-8 Encoding: | 0xFF70 |
| UTF-16 Encoding: | 0x0000FF70 |
| UTF-32 Encoding: | 0x000000000000FF70 |