Premium Retractable Rapid Car Charger + Generation X Antenna Booster for Samsung M630 (Highnote), M540 (Rant), M320, M220 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