Lizusidtsy Instructions for use: 1. Before using this product, please insert the TF card into the corresponding TF socket, and then connect the power and data cable to the host device. After power on, the LED light flashes, indicating that the TF data is read normally. 2. After the initial use and the TF card configuration change, the TF card needs to be initialized and formatted. After formatting is complete, you can perform any data operations on the TF card. Notice: 1. This product can use 1 TF card, 2 TF cards, and 4 TF cards at the same time. It does not support 3 TF cards at the same time. 2. Please pay attention to the card insertion sequence when using: When using 1 TF, please insert the TF card in the TF1 card socket, when using 2 TF cards, please insert the TF card in the TF1, card socket, and so on. If you insert the cards out of order. The product not be to recognize the TF card normally. 3. Use the same TF card as much as possible Product name: TF to adapter card Application: TF card (micro-SD card) (not included) Interface: Colour:black Material:Metal + plastic Package Contents: 1 x TF to adapter card 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.