Opened. Used only once! USB 2.0 Hub (Compact Type) U2H-SN4NB Series U2H-SN4NBBK ¥1,991 (tax included) 【High Compatibility】 This USB hub supports Windows and Mac OS, and can be used with a wide range of devices. 【Compact Design】 With a compact size of approximately 80mm, it's convenient for carrying around. 【4-Port Expansion】 Increases one USB port to four, allowing you to connect multiple devices simultaneously. - Brand: ELECOM - Model Number: U2H-SN4NBBK - Number of Ports: 4 ports - Connection Type: USB 2.0 - Supported OS: Windows 10/8.1/8/7/Vista/XP, Mac OS 6.1 or later - Bus Power: Supported - Size: Approximately 80 x 25 x 10 mm Thank you for viewing.