TI USB Cable for TI 84 Plus, TI 84 Plus Silver Edition, TI 89 Titanium , TI Nspire Calculators (CyberTech brand) Works for TI 84 Plus, TI 84 Plus C Silver Edition, TI 89 Titanium and TI Nspire CX&CAS Extends and simplifies the functionality of your TI calculator Replacement USB cable . Color: Black Transfer Files from Calculator to MAC or PC. Ideal for software downloads and backups 1 Year Warranty by CyberTech; 30 Day Money Back Satisfaction Guarantee