Item Type: Keyboard Piano Product Material: Plastic + Electronic Components Colour: Black Audio Output: Single Magnetic Speakers Battery Type: 4 AA Batteries (delivered without batteries) Applicable Age: Over three years old. 161 keys design allows for single and multiple finger chord, offering a real piano like playing. 26 demo songs, 16 tones, 6 rhythms, teaching function/sound effect control, recording/programming, chord, adjustable volume/beat. 3The USB cable can connect to peripheral devices, including phone, tablet, etc., to play music. 4Microphone, earphone jack and single magnrtic speakers can turn the keyboard into a karaoke device for singing pleasure. 5Small digital screen makes the volume and sound effect adjustment much easier, also has a small music stand. 6Supports multiple power supply modes through USB cable, including power bank, computer USB port, phone charger. 1 x Keyboard Piano 1 x USB Cable 1 x Microphone 1 x User Manual