This is an international product, so it does require a 220v outlet to charge the bike. Here is a quick summary of the Specifications. Aluminum alloy frame with folding design.
Front caliper brake, rear roller brake, braking distance 4m (dry), 15m (wet). 1.8in (160x128) trip computer, Bluetooth 4.0 (range 15-30m).5800mAh lithium-ion battery, charges in three hours. 124.7x55.6x92.88cm (unfolded), 100x45x65cm (folded). The item "Brand New Xiaomi QICYCLE Folding Electric Bicycle E-Bike 45km Mileage 250W" is in sale since Friday, July 12, 2019. This item is in the category "Sporting Goods\Cycling\Electric Bicycles". The seller is "blazemerchant" and is located in Portland, Oregon. This item can be shipped to United States.