Four-wheeled electric car for adults and children Remote control baby toy car Semi-trailer trucks,2.4GOne-to-one Bluetooth remote control, Bluetooth function, early education function, music, story, English, battery display,USBjack,MP3Socket, one-button installation steering wheel, double door, four-wheel shock absorber, portable handle, mobile phoneAPPFunction, mobile phone bluetooth, portable battery, full vehicle booster bearing, one-button installation steering wheel, one-button installation seatsize: 128*70.4*75.5cm