[Compatibility List]: Jitterbug Flip 2 phone, Jitterbug Smart 3 phone charger. [Warning]: Not compatible Jitterbug Flip 1 ,Jitterbug Smart 2. [specification]: Output:5V 2A Input:100-240V 50-60Hz, supports maximum 3 Amp current, made with 23 AWG high Gauge Low Impedance cable. [Protection]: The charger has multiple safety systems including overcharge/high voltage protection, current regulation, temperature control to ensure that you always charge your phone safely! We are sincerely willing to provide you with a 90-day quality guarantee for the products you buy, when you find a quality problem can contact us KUEVCA for you to solve the problem.