- Format
- 98%, 99 keys
- Connection
- Bluetooth, 2.4 GHz, USB-C
- Display
- monochrome: system, channel, charge
- Controls
- multi-function knob
- Backlight
- RGB
- Colourways
- green and blue-purple
- Type
- Keyboard with three connection modes; the supplier files it as membrane
- Switch type
- AULA publishes no switch type for the S99 series, neither in the spec nor in the copy
- Model
- AULA S99 Pro (S99PRO)
- Form factor
- 98%, compact full-size
- Number of keys
- 99
- Layout supplied
- English (US); no Russian legends on the caps
- Wireless
- Bluetooth (BT1, BT2, BT3 channels) and a 2.4 GHz receiver
- Wired connection
- USB-C cable, which also charges
- System support
- Windows, macOS, Android, iOS — per the indicators on the display
- Power
- Built-in battery, charged over USB-C
- What the display shows
- The active system (Windows / MAC / Android / iOS), the link channel (BT1 / BT2 / BT3 / 2.4G) and the charge level
- Knob
- Multi-function, next to the display
- Keycaps
- Two-colour, spherical profile
- Body
- Cream plastic with colour accents around the key blocks
- Key blocks
- Main block, arrows, navigation column and a full number pad
- Colourways supplied
- Green with beige, blue with purple
- Key travel (S99)
- 4.0 mm
- Dimensions (S99)
- 412.4 × 158 × 51.7 mm (± 0.5 mm)
- Weight (S99)
- about 750 g
- Battery (S99)
- 2000 mAh, DC 3.7 V
- Keycaps (S99)
- PBT, spherical profile
- Feet (S99)
- Flip-out rear feet: 40.4 mm case height folded, 51.7 mm extended
- Interface (S99)
- USB Type-C
- Source of the series figures
- The official AULA S99 page and spec sheet; AULA has not yet published a spec of its own for the S99 Pro