Please note: Due to the different models of products, there are many differences. If you need, please contact us. Thank you for your understanding.
Below is a description of the different models:

TYPES:A--20,000+ Games

Features:

-More than 20,000+ iconic games built-in. Ability to upload your own games.
-Supports 4K Ultra HD TV Video 1080P/720P resolution.
-The console also has the ability to archive games, search for game names or create bookmarks for your favorite games.
-Two wireless controller that support 2.4GHz signal, eliminate the need for a cable and allow you to control the console with two controllers.
-Connect the mini console to the HDMI and USB sockets, plug and play.

Specification:

Operating system: Linux + Retroarch
Language: support 24 countries language
Emulator: MAME /FC /GB /GBA /GBC /MD /SFC /PS1 /ATARI2600 /ATARI7800 (including 8-bit, 16-bit, 32-bit, 64-bit and 128-bit)
CPU: GB2
Operating memory: DDR3 256MB
Built-in memory: 128MB
Processor: dual core cortex A7
Memory card capacity: 64GB (about 20,000+ games)
Support: 4K TV conversion to HD video 1080p 720p protocol

Package Included:

1x Host
1x 64G memory card
1x USB receiver
2x Game pad (battery not included)
1x HDMI cable
1x USB power cable
1x Operating instruction
1x Color packing box

TYPES:B--1000+ Games

Features:

-The large 7-inch screen ensures the comfort of playing.
-Built-in a large amount of 10000 games. Built-in 16GB memory, possibility to upload your own games, movies and music. Supports game formats from consoles: PEGASUS, GBA, NES, SFC, Nintendo Entertainment System.
-The 2500mAh battery allows up to 5 hours of fun.
-Possibility of connecting to a TV using the TV OUT cable that is included in the set.
-Comfortable grip, ergonomic design, no sour grip for a long time.

Specification:

Product model: X12plus
HD screen: 7 inches
Memory: 16GB
Built-in games: more than 1000 models
Download method: Connect to the computer USB port to download
Support game types: FC, GB, GBA, GBC, MD, NES, SFC, PS, arcade games
Video format: BMVB, FLV, AVI, MP4, 3GP (support 1080 * 720P video playback)
Music format: MP3, WMA, WAV, etc.
Whether to support progress saving: Yes
Maximum memory expansion: maximum support for 32GTF card memory expansion
Whether to support AV output: Yes
Whether to support key setting: default key, support custom key
Battery capacity: 2500mAh

Package Included:

1x Gaming console
1x TV OUT cable

TYPES:C--4600+ Games

Features: 

-It includes 2 wireless controllers and 1 console, supporting two-player mode.
-The console comes with an HDMI connector for easy connection to a TV monitor.
-There are 4600 games in it, and you can save games and add them to your favorites.
-Suitable for playing between siblings, couples or families, it is an excellent form of entertainment and a great way to build connections.
-To enter the game, press the START button. To exit the game, press and hold the SELECT and START buttons simultaneously for two seconds.

Specification:

Color: black
Material: ABS
Memory card included: 4GB
Memory card support: up to 128GB
Power supply: 1* AAA alkaline battery (not included)

Package Included:

1x Console
2x Wireless controllers
1x USB cable
1x English manual
1x Color box

TYPES:D--20000+ Games

Features:

-Our retro game console has 20000+ classic games, including action, sports, races, shooting, fighting games, etc.
-The retro game console comes with two 2.4GHz wireless game pads. The video game console supports 2 players to play games at the same time, avoiding the interference of wires while gaming.
-Equipped with upgraded chip, high-performance chip powerful operation ability, HDMI HD output, 1080P high-definition quality, you can easily enjoy the game of animated and exciting videos on the big screen.
-Plug and play, no need to make some settings. The steps are as follows: 1. Connect the HD output of the TV. 2. Insert the built-in TF game content card. 3. Using the charging adapter to connect the power supply will turn on automatically.

Specification:

Colour: white
Game pad size: 15.5*9cm
Extension capacity: up to 128G (included  64G TF card)
Voltage input: 5V/2A/1A
CPU: GB2
Output format: HDMI output, 1080P, 720P
Main control frequency: duad-core Cortex-A7 up to 1.0GHz
Memory performance: DDRIII 256M
Supported games: arcade, mame, atari2600, atari5200, atari7800, atarinx, cps1, cps2, cps3, fbneo, gamegear, gb, gba, gbc, genesis, megadrive, nes, nesh, ngpc, pcengine, psx, sfc, snes  

Package Included:

1x Retro game console box
2x Wireless controllers
1x USB cable
1x TF card 64G
1x HDMI cable
1x User Manual

TYPES:E--400+ Games

Features:

400 Super Classic Games: This handheld game console has 400 built-in non-repetitive classic games, including your favorite childhood arcade classic games, such as "Super Mario", "Contra", "Tetris" and others FC classic.
Support 2 Players & TV Connection: The game console not only supports AV cable connection to the TV, but also supports two players. You can play sumptuous games with family and friends, and easily enjoy lively and interesting games on the big screen.
Large-capacity Battery: Our game console has a large-capacity battery of 1020mAh, which is environmentally friendly and durable. After fully charged, it can play for 6-8 hours.
Eye-protection LCD Screen: With 2.8-inch high-definition LCD screen, it will bring you more exciting gaming experience and protect your eyes health.

Specifications:

Screen Size:3.0-inch Screen
Product Material: ABS raw material
Charging Time: about 2 hours
Battery Life: more than 500 times
Quantity of Games: 400-in-1
Product Size: 13.8 x 10.4 x 5.6 cm

Package included:

1 x Game Console
1 x Gamepad
1 x AV line

TYPES:E--500+ Games

Features:

-This mini handheld game console has 500 built-in classic FC games, such as action, sports, racing, shooting, fighting, etc.

-The package includes an additional game controller to support 2 people at the same time.

-2.4-Inch HD display that ensures portability while respecting the comfort of games. Connect to TV via AV output, so you can easily enjoy vivid and exciting video games on the big screen of TV. 

-Built-in 1020mAh high capacity lithium battery, charging time is about 1~3 hours, can play continuously for 5~6 hours.

-Weighing only 220g, this compact and lightweight portable game console easily fits in your bag.

Specification:

Colour: blue

Size: 3.15*4.73*0.9 inches

Battery capacity: 1020mAh

Battery life: about 2-3 hours

Applicable number of people: double

Material: ABS

Screen size: 2.4-inch

Package Included:

1x Handheld game console

1x Controller

1x USB charging cable

1x AV Cable

1x Instruction manual

TYPES:L--K9-30,000 Games(64G)

Features:

-More than 30,000 classic retro games built-in, bringing you back to the happy time of childhood.
-Adopts HDMI high-definition output, which is more stable and smooth, and is suitable for computers, TVs, display screens, projectors and other devices with HDMI sockets.
-Equipped with 2.4G wireless joystick, which can be controlled from a long distance. (Note: to avoid confusion, only one controller can pick games, and the other controller can only play 2P games).
-Contains 8 emulator consoles, with a 64G TF card. Supports search, collection, archiving.
 

Specification:

Main control frequency: RK3036G
Output: HDMI, 1080p/720p
Game format: CPS, FC, GB, GBA, GBC, MD, SFC, PS1
Memory performance: DDRIII 512M/Mor flash 125MB
Support external TF: expandable to 128G
DC power supply: 5V 0.5A/1A/2A input
Number of games: 30,000+

Package Included:

1x Host
1x 64G memory card
1x USB receiver
2x Game controllers
1x HDMI cable
1x USB cable
1x Operating Instruction