Compact Universal USB Wall Travel Spare Battery Charger with LCD Indicator Screen for Kyocera Hydro Icon 6730 Hydro Life 6750 metroPCS Cricket Phone Fortress Brand Perfect travel companion Ideal for charging a spare battery Small and compact design compatibile with 110-220V Automatically detects positive/negative polarity contacts Compatible with Most cell phones, PDA, MP3 players and digital cameras with Li-Ion, Ni-MH batteries.