The kit includes a headphones & a pair of sticks. It doesn't come with a stool.

Roland HD-1 Drum Kit. Simple to use, and very quiet.

Roland HD-1 V-Drums Specifications
Kit Configuration Kick Pedal, Snare, Hi-Hat, Hi-Hat Pedal, Tom x 3, Crash, Ride

Drum Kits 10
Patterns 10
Controls Drum Kit button x 5, Variation button, Metronome button, Volume knob, Tempo knob
Metronome Tempo (40--220), Sounds (3 types), Volume (3 levels)
Connectors Output jack (Stereo miniature phone type) (1), Headphone jack (Stereo miniature phone type), Mix In jack (Stereo miniature phone type), MIDI Out connector (5-pin DIN type), Trigger Cable connector (DB-25 type) (1) Output Jack can be connected with headphones.
Output Impedance Output jack 100 ohms, Headphone jack 100 ohms
Power Supply DC 9 V (AC Adaptor included)
Current Draw 300 mA

Useful resources:
https://www.roland.com/us/products/hd-1/specifications/
https://www.youtube.com/watch