POMAIKAI Soprano Ukulele for Beginner 21 Inch Hawaii Guitar Starter Ukelele Wood Uke Soprano Uke with Gig Bag (Pink)

What is the difference between pink and pomaikai 01? Why the latter one is $20 more than the pink? Are they in same quality and same material?

Is this a C or D ukulele?

Does this come with a strap for use when playing?

Does this come with a tuner and extras