lcd display size: 3 inch tft screen built-in: 400 games working time: about 5 hours charging time: about 1 hour battery: 1020 mah lithium-ion rechargeable battery (included) speaker: built-inmultiplatform digital device that can be played on a television. support the av interface400 games update, in addition to big screen, it will take you back to childhoodequipped with rechargeable lithium battery and usb cable, playing games for 6 hours in a row.it is an ideal choice for entertainment on-the-go for all nostalgia lovers and 90's kids. these handhelds are compact and easy to take along for offline gaming sessions in long car rides, road trips, airplane flights, train rides, and moreconvenient size and light weight, perfect for traveling or going out, sharing with friends