Hands free productivity starts right here with Jabra products and accessories. Audio enhancers unified communications enablers remote call control adapters � in short everything you need for your regular and professional use. Jabra utilizes the latest technology to provide the best possible quality and standards with its devices.Product Overview:Advanced Internal Circuitry Prevents Device from Power SurgesOvercharging and Short-circuitingCharging Adapter Works with Both Foreign and Domestic Outlets (100-240 Volts AC)High Current Output Current ( 1000mA ) for Faster ChargingKit Includes - USB Coiled Power SyncCar Charger and Wall ChargerSynchronize Device Using the Included USB Cable