This card sleeve is used for the protection of the TF (MicroSD) card used for testing, which can prolong the service life of the test card and facilitate the operation of the . Suitable for mobile phones, tablet PCs MP3, MP4, point , Bluetooth speakers, web cameras and other devices with TF (MicroSD) cards. Convenient to test and protect the card card sleeve design better protects the TF card from wear and tear and is more convenient to use. PCB material High precision, plugging and unplugging. Light weight, thin thickness, easy to carry around. Type: memory card test deck Material: PCB Colour: Black Package Contents: 1 x Test Card Holder Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.