Accu-Chek Mobile Blood Test are for the determination of blood glucose and to be used with the Accu-Chek Mobile Blood Glucose Monitoring System only. 50 tests in 1 cassette. Suitable for self-testing only. To be used only with the Accu-Chek Mobile Blood Glucose Monitoring System. Before using the Accu-Chek Mobile Blood Test Casettes, always consult the package insert