Specifications: 1. Interface: USB 3.1 type c, Micro SD\/TF card slot 2. Color: Black ,white 3. Material: ABS 4. Dimension: 3.5*2*1cm Features: 1. Micro SD card OTG reader for mobile phones and tablets to transfer data conveniently. 2. Compatible with USB3.1 type-c port products, such as 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 Mac os. 6. The LED indicator light will be blue when it works. Package included: 1 x USB 3.1 TF Card Reader