It applies to mobile phones (tablet computers) with OTG function. Transfer files to OTG 、 Allow you to connect to most USB Flash Drive、 Mouse、 Keybard and some digital cameras etc. Supports Android 2.2 or newer version; Support external keyboard..
Dimensions: 0.75 in x 0.71 in x 0.31 in (1.9 cm x 1.8 cm x 0.8 cm) Weight: 0.18 oz (5 g)