description material: chrome Size: about 15.8*11.8*7.7mm Color: silver, black,gold Engineering: One-piece molding + metal plating Product function: data transmission for the device Interface type: USB2.0 Applicable equipment: Micro usb interface equipment supporting OTG Product features: Specially designed for Micro usb interface devices, support data transmission, connect to U disk, plug and play, support game controllers, keyboards and mice, etc., all-metal electroplated body, compact and portable. quantity: 1 Packing list 1*OTG adapter