Please read the instructions before purchasing, or make sure you have experience with similar tools.

Features:

Battery supplied portable MIDI controller with wireless function.
25 velocity-sensitive slim keys.
8 RGB back-lit pads with velocity-sensitive & aftertouch.
8 assignable 360-degrees rotary encoders.
Capacitive touch-stripes pitch bend & modulation control.
Sustain pedal port and MIDI out port all in one.
Compatible with all digital audio workstation.
USB connection, BT wireless connection, direct wireless, wireless MIDI OUT connection, and wireless adapter, multiple connection methods.
Smart Chord and Scale feature make you get inspiration easily.
Handy MIDI controller, portable, functional, and easy to use.

Packing List:

1 * Keyboard
1 * USB Cable
1 * Manual (English)

Specifications:

Material: ABS
Battery: 2000mAh
Keys: 25 velocity-sensitive key
Pads: 8 RGB back-lit pads with velocity-sensitive & aftertouch
Knobs: 8 assignable endless 360 degree encoders
Touch Stripes: Capacitive touch-stripes pitch bend & modulation control

Item Size: 321 * 178 * 46mm / 12.64 * 7.01 * 1.81in
Item Weight: 765g / 26.98oz
Package Weight: 1043g / 36.79oz
Package Size: 38 * 22 * 7cm / 14.96 * 8.66 * 2.76in

How to operate it?

INstruction book