Fangrui Product Details App Connection: The Card Copier Can Be Connected To A Computer Or Mobile Phone For Quick Upgrades With Just One Key (supports Android And Harmony). Full Frequency: Support Id Ic Full Frequency 13.56mhz, 125khz, 175khz, 250khz, 300khz, 375khz, 500khz And Other Frequencies. Built-in Battery: The Card Reader Has A Built-in 400mah Lithium Battery, Which Supports Type C Communication And Power Supply, Making It Convenient And Practical. Nfc Simulation: Nfc Simulation Function With Nfc Function, Devices That Support Nfc Function Can Encrypt Ic Cards Through One-click Simulation. Main Functions: This Suite Can Achieve Efficient Decryption, Editing, Analysis, Etc., And Also Supports Functions Such As Card Packs And One-click Encryption. Type:set 3 Colour:black Material:metal Package Contents: 1set * Key Fob Cloner 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.