A:AnswerI'm pretty sure it depends if your digital camera has Bluetooth since it only operates and is connected through Bluetooth. Hopefully I answered your question.
A:AnswerThe HP Sprocket printer works with all iPhones and all androids, or any smartphone which can install the HP Sprocket app from either the Apple App Store or the Google Playstore. It doesn't matter which color printer you get, both are the same functions. It doesn't matter if you have an iPhone 7 or less, or a Galaxy S7 or Galaxy S7 Edge, or some other android phone. If your phone is capable of installing apps, then yes, the Sprocket will work.
A:AnswerThe HP Sprocket only prints 2" x 3" photos. If you are looking for a 4" x 6" photo printer, HP just released the HP Sprocket Studio printer that prints 4"x6" photos. Here is the HP Sprocket Studio: https://www.bestbuy.com/site/hp-sprocket-studio-4-x-6-photo-printer/6363045.p?skuId=6363045