Mini Type C Micro SD TF Memory Card Reader OTG Adapter USB 3.1 Portable Features: Product Name: USB3.1Type-c OTG Card Reader Product Interface: USB3.1 Type-c Product features: USB3.1 Type C To USB2.0 card reader, you can make type C device external high-speed MicroSD memory card, interface can be positive and negative plug is now the latest international standard 3.1 interface Product Color:Silver Interface type: USB3.1Type-c interface, fully compatible with USB2.0 / 1.1 Product size: length 2.5mm, width 1.8mm, thickness 0.8mm Material: high quality ABS material Product weight: 10g Applicable models: tested perfectly compatible with the latest Macbook, support transfer TF memory card. Can also be used for music as the music watch PRO and music as MAX mobile phone / millet 4C latest Type-c interface phone. Packaging: 1 X Card Reader