260602 うたコン 260602 Utacon NHK (Sayaka Yamamoto) 1080p akb48ma com.mp4 Size: 205.07 MB | Duration: 00:05:32 | Video: 1440×1080, Bit rate: 4747 Kbps, 59.940 fps | Audio: 258 Kbps, 48 Khz