This update to the Z Play is thinner and lighter, but otherwise similar. Like the higher-end Moto Z, it supports removable back modules that add hardware such as extra battery, stereo speakers ...

This cousin of the Moto Z sports a much larger battery and higher-resolution camera, while trimming some specs to be more affordable. Like the Moto Z, it supports removable back modules that add ...

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Motorola's answer is to sell accessories alongside the phone itself. The Lenovo-owned company last year introduced Moto Mods, a line of add-ons that snap onto the back of its Moto Z phones.