Retractable Rapid Car Charger + Generation X Antenna Booster for SAMSUNG A637, A737, A747, A767, A777, A827, A837 (Rugby), A867 (Eternity), A877 (Impression), i325, i617, i627 (Propel pro), i770 (Saga), i907 (Epix), i910 (Omnia, M800 (Instinct), M810 S30 (Instinct, R310 (Byline), R450 (Messager), R550 (Jetset), R600 (Hue 2), R610, R800 (Delve), R810 (Finesse), T109, T119, T459 (Gravity, T919 (Behold), T929 (Memoir), U310 (Knack), U350, U430, U650 Premium 100% Retractable Car Chager with Full Metal Contacts IC Chip to prevent overcharging. Charger fully retracts with a push of a button Charger can extend up to 3 ft. Antenna Booster Generation X is the latest version of the Signal enhancing antenna booster