The long-rumored iPad Pro, allegedly owning a 12.9-inch display, has been listed in the online lineup of a German retailer, BGR reported. Interestingly, the device isn't alone, as the unannounced iPhone 6s and iPhone 6c models also made rounds in the list.

A screenshot of the site called 24mobile.de has been captured by French blog Nowhereelse, BGR said, indicating the enlistment of the new Apple tablet and iPhone models. Check it out here.

BGR is convinced that it may be "a mistake" or "a publicity stunt" to gain attention.

The latest information surrounding the iPad Pro (aka iPad Air Plus) are centered on its display and hardware features.

As cited by the Ecumenical News, the device will come with a low-power, high-resolution oxide thin film transistor (TFT) display. The panels are reportedly manufactured by LG Display.

The reason for the incorporation of such technology may spring from Apple's desire to prolong battery life. In addition to being "good" for condensed products, Oxide TFT is expected to reduce power usage, the Latinos Post noted.

Korean news outlet ETNews wrote, "Apple is putting oxide TFT panel into their next generation iPads..."

"LG Display has begun on investment for the 8th generation (2200 x 2500mm) P8·P9 line for oxide TFT processing that is located in Paju. The scale size is 21,000 sheets per month with glass disks as standard. Some of the main equipment selections are made by the company," the report added.

Rumors have pointed that Apple will be using IGZO -- indium gallium zinc oxide -- displays for the iPad Pro, VR-Zone said. Three suppliers are allegedly supplying these panels, being Samsung, LG Display and Sharp.

As told by the outlet, orders are expected to be divided between all three companies.

Previously, MacRumors took note of an alleged iPad Pro mockup, sporting an interesting port found on one side of the hardware. This feature, reportedly, could either be a secondary Lightning port or a USB-C port. That means users could expect for accessory connection and / or multiple methods of charging.

The leaked images likewise sported an earphone jack, a speaker grille, a microphone, a camera lens with light sensor and volume adjustment buttons, Trusted Reviews wrote.

Leaked 3D photos also suggest that the iPad Pro will arrive with four speakers, distributed over its top and bottom sides. In addition, these case renders had openings for the camera, power button, second microphone and volume adjustment.

The iPad Pro is expected to pack an Apple A8X or A9 chip, 2 GB of RAM, Touch ID, a USB 3.0 connector, a mouse, an optional keyboard and an optional stylus. Alternatively, other rumors claim that its display could come at 12.2 inches.