The Unihertz Atom is a mini-smartphone with a 4 gigabyte interface with hard-wearing exterior. It has a 2.45 inch display with 240 x 432 resolution, 4 GB of memory and operates onAndroid 8.1 Oreo. Its 16 megapixel rear camera and 8 megapixel front camera operate underwater. There is also NFC mobile payment option, FM radio and front fingerprint sensor.