We are a professional manufacturer for Key tag, key fobs and kinds of Smart Cards. Our products include: Keyfobs Series, Key chain series, Smart Card series, EM RFID ID Card, Mifare Card, IC Card, PVC card, Magnetic Card, Printed Card, Clamshell Card, Card system Time Attendance, Card system Access Control, Biometric Access control, Biometric Time Attendance, Mobile phone signal Jammer/Isolator/breaker, cellphone bloacker, etc. We also provide customization services as per customer's requirement. They are also quite popular in all over the world. Our philosophy is "based on customer and customer oriented". We strictly control product quality. We'd like to sincerely cooperate with all customers for long term! Thanks! Product Description 1) Chip frequency: 125KHz--13.56KHz 2) Material: ABS, PVC 3) Shape: Keychain, fob, token, wrist band, watch, coin etc. 4) Chip: TK4100, EM4100, T5557, Hitag2, Mifare S50 etc. 5) Custom logo or photo is available with printed. 6) Color choose: Gray, blue, red, etc. 7) Application: Parking, car, access control, gift etc.