ReadyPlug USB Wall Charger for SoundBot SB520-PRO 3D HD Bluetooth 4.0 Wireless Speaker - AC/DC Wall Adapter 2A USB Port (White) AC/DC 2A Rapid Charger Adapter for: SoundBot SB520-PRO 3D HD Bluetooth 4.0 Wireless Speaker Color: White HQ Design for Travel Spare or Replacement IC Smart Chip prevents over charging ReadyPlug Lifetime Warranty