The product is suitable for Android 2.3 above smart phone tablet PC with OTG function Wingdows Vista 7 Mac 10.45 above Linux 2.4 above and support read &amp; write TF cards.<br><br><strong>Features:</strong> <br>Suitable for Android 2.3 above smart phone tablet PC with OTG function Wingdows Vista 7 Mac 10.45 above Linux 2.4 above. <br>Suitable for the PC and mobile/pad with OTG function， such us Samsung Galaxy S3/S4/NOTE2. <br>Support read &amp; write TF cards. <br>No driver needed for Android. <br>USB interface support the USB flash disk， USB mouse， USB keyboard， etc. <br>Smart phones and memory card bidirectional data transmission without PC. <br>Red LED light， flicker when reading and writing. <br>Plug and play， without external power supply. <br><br><strong>Note:</strong> <br>Part of mobile phones on the market only support SDHC top 32GB memory card， product use chip support SDXC up to 2TB. <br>Support Android version 2.3 or above Micro USB interface of smart phones， interface must be as a function of the Host. <br>Support FAT32 format， NTFS format is not supported. (smart phone interface) <br>The phone and tablet must support OTG function. <br><br><strong>Specifications:</strong> <br>Color: Black <br>Chip: ITE1327 <br>Transmission speed: USB 2.0 480Mb/s <br>Material: ABS <br>Item size: Approx. 6.5 * 1.7 * 1.3cm / 2.6 * 0.6 * 0.5in <br>Item weight: Approx. 8g / 0.28 <br>Package size: Approx. 17 * 8 * 1.5cm / 6.7 * 3.1 * 0.6in <br>Package weight: Approx. 25g / 0.95oz <br><br><strong>Package list:</strong> <br>1 * OTG smart adapter