Description :1.High quality zinc alloy material, mini size and portable, and save space. It comes with a keychain and convenient to carry 2. USB3.1 Type-c interface, fully compatible with USB2.0/ 1.1 3.USB3.1 Type C for card reader USB2.0 card, you can make C type external device High-speed TF memory card, interface can be positive and interface type 4.Make sure that your phone with Type - C Connector built-in OTG function before purchasing. Support TF card up to 128GB.5.Compatible with the latest Macbook, can also be used for music as music watch PRO and music as MAX mobile phone/ 4C latest Type-C millet phone interface100% Hot and High QualityWe will carefully test every item before shipment.Notes:Due to manual measurements, please allow an error of 1-3 cm.Due to problems between different monitors, the image may not reflect the actual color, please refer to the actual product.If there is a problem with the product, please contact us.Thank you for understanding.FEEDBACK:1.If you are satisfied with our products and services,please leave your postive feedback and 5 stars.2.If you don't satisfied our products,pls contact us before you leave negative feedback.we guarantee we will 100% slove any problem for you and make you satisfied.SERVICE:1.We care about our valued customers,and will always try to help you,hope to establish long business with you.2.Please contact us by Rehmie.com Customer service before leaving any negative feedback or opening and dispute on the site. Please give us the opportunity to resolve any problem.Thank you.