Specifications:1. Interface: USB 3.1 type c, TF card slot2. Color: Black ,white3. Material: ABS4. Dimension: 3.5*2*1cm Features:1.  TF card OTG reader for mobile phones and tablets to transfer data conveniently.2. Compatible with USB3.1 type-c port products, such as for MacBook/ Mac air/ Pro,Nokia N1 Tablet, Meizu Pro 5, Oneplus 2, Letv 1 pro, Zuk Z1.3. Support read&write Micro SD cards.(Micro SD cards not included).4. No driver needed for type-c products.5. Support Android and for Mac os.6. The LED indicator light will be blue when it works. Package included:1 x USB 3.1 Type-C to TF Card Reader Adapter (TF card not included)