USB Sync Transfer Data Cable + Generation X Antenna Booster for KYOCERA E1100, E2000, M2000 (X-TC), S1300 (Melo), S4000 USB Data Cable for Data Transfer and Syncing with your cell phone Connect your cell phone with your PC/Laptop by the USB port Allow to manage & backup your phonebook, and change ring tones/logo etc. Allow you access your contacts, PC data, the Internet and e-mail. Transfer rate up to 4 Mbps. Antenna Booster Generation X is the latest signal enhancing booster available