A:AnswerThe voltage depends on your power block. This cable can handle 12 watts. As long as you plug it into a 5w block and you're device uses a usb-c connection it will work perfectly
A:AnswerHi Betsy,
This Best Buy essentials™ - 9' USB-C to USB Charge-and-Sync Cable - Black is compatible to USB-C devices.
Best Buy Products
Lisa
https://www.bestbuy.com
A:AnswerNo an iPhone has an apple/iphone specific end (teeth on the outside) and this is USB c teeth on the inside the cord is not compatible with an iPhone.