USB out for prereferral headphone jack, usb-c for charging. For the volume its a combination of hot-keys, press and hold Home button, and press the Dpad up to plus or down to minus. To exit out of a game simply press home and start at the same time. System comes with a 64g SD card.
DO YOUR RESEARCH OF THE LIMITATION OF THE RASPBERRYPI. The item "Raspberry pi 3B+ Gameboy Retro gaming" is in sale since Wednesday, October 27, 2021.This item is in the category "Video Games & Consoles\Video Game Consoles". The seller is "theretrotech" and is located in West Palm Beach, Florida. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, Sweden, South Korea, Taiwan, Belgium, France, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bermuda, Brunei darussalam, Bolivia, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Oman, Pakistan, Paraguay, Reunion, Uruguay.