If you do not have an iPhone yet, the "normal" models are too big for you and the SE has been too expensive, then you should Offer on eBay look forward. Currently, you get from a reputable online retailer there, the Apple smartphone with 32 GB of storage at a great price. Shipping costs do not apply. For this you get a device with an Apple A9 chip, which already controls ARKit, offers Touch ID and a 12 MP camera. The current iOS 11 runs flawlessly on the device.
To the deal: iPhone SE with 32 GB memory reduced.