Gomadic Car and Wall Charger Essential Kit suitable for the Plantronics Explorer 340 - Includes both AC
Plantronics Explorer 320 Explorer 330 Explorer 340 Replacement Battery: BatteryClerk.com Headphone
Amazon.com: Battery 140mAh Replacement for Plantronics Explorer 320, Explorer 330, Explorer 340, Plantronics 70868-01, 73366-01, PA-PL002 : Electronics