Multitester tested for voltage. This is an ORIGINAL Genuine Nokia FACTORY wall mountbattery charger adapter voltage regulator, power supply, powersupply, inverter, adaptor.AC input 120V andDC output:3.7V 340mA.Round barrel connector with a positive center used for the following: N-Gage, 1100.1600, 1221, 1260, 1261, 2100, 2260, 2270, 2285, 2300, 3100, 3120, 3200, 3220, 3230, 3285, 3300, 3360, 3361, 3390, 3395,3510, 3520, 3530, 3560, 3570, 3590, 3595, 3650, 5100, 5110, 5120, 5125, 5160, 5165, 5170, 5180, 5185,5190, 6010, 6100, 6120, 6160, 6161, 6190,6200, 6210, 6230, 6310, 6340, 6340i, 6360, 6370, 6385, 6590, 6590i, 6610, 6651, 6800, 6820, 7160, 7190, 7210, 7250i, 7600,7610, 7650, 8210, 8260, 8265, 8265i, 8270,8290, 8310Special heavy wrapping is provided to protect the prongs. S&H in the contiguous USA is $4.99(insured shipping).Please see other interesting products by JGrit.USPS DELIVERY TIME: As stated in the item listing, seller will drop-off your item to the USPS within 4 days of receiving cleared payment. How long it takes to deliver to your door is strictly within USPS control and not within the control of seller. Please leave 5 stars for seller 4 day drop-off time. Thankyou.