Capacity: 128gb interface: usb 3.0 (backward compatible with usb 2.0) connector type: usb type-a (standard usb) micro-usb (for otg-compatible android devices) read speed: up to 150 mb/s (usb 3.0) write speed: varies based on device and file type dimensions: approximately 36.58mm x 19.81mm x 11.68mm weight: lightweight and portable design material: durable plastic body with a metal connector form factor: compact and dual-sided design with retractable connectors compatibility: usb 3.0/2.0: windows vista, 7, 8, 10; macos x v10.6+ micro-usb: android devices with otg (on-the-go) support