USB Sync Transfer Data Cable + Generation X Antenna Booster for Samsung A867 Eternity, T459 Gravity, T919 Behold, R550 Jetset, i910 Omnia, i907 Epix, A767 Propel, A137, U650 Sway, T109, U430, M310, A837 Rugby, U310 Knack, A237, R450 Messager, Z400, T339, M800 Instinct, T229, U940 Glyde, A827 Access, R430 Myshot, R200, M520, i325 Ace, T819, R610, R300, T739, U900, i617 Blackjack 2, A747, T439, R410, A737, A517, A127, U470, U700, T539, T429, R400, 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