Fenzer Cell Phone Data Sync and Battery Charger Micro USB Cable for Sprint Samsung Replenish SPH-M580, Seek SPH-M350, Nexus S 4G SPH-D720 Fenzer Data Sync and Charge Cable for Sprint Samsung Replenish SPH-M580, Seek SPH-M350, Nexus S 4G SPH-D720 2-in-1 cable for charging power and transferring data simultaneously Built in IC chip to protect against overcharging 100% Satisfaction Guaranteed! Brand New!