About Product:Brand: neutral type: UYS9004 data transfer rate: 4000 (MB/s) reads the largest speed: 20000 (MB/s) written to the largest speed: 5000 (MB/s) interface: USB 2.0 shell material: plastic write protect switch: does not support light: there are features: fashionable USB features: top and bottom cover product size: 62 * 23.5 * 12 mm weight: 10 (g), OEM, can be OEM processing way: to figure custom mould customization: USB flash drive pen, saber U disk, jewelry, U disk, plastic U disk, Chinese style U disk, leather U disk, to watch U disk, soft plastic USB flash drive