Features:

1.  Built-in 5000 games, support download(only MD emulator). The game classification is organized: there are six categories of games(Adventure, Fighting,Puzzle, Resources, Shooting, Sport). Support yourself to download games.

2.  The game has an instant save function, you can save the progress if you leave temporarily in case you want to continue playing next time. Six action buttons: ABCXYZ, complete functions.

3.  Single battery-powered wireless controller (Battery not included),the controller is lighter and more flexible, with AAA battery in it, it can stand by for more than 30 days.
4.  Play more platforms: 688 kinds of games such as action/fighting/passing levels, automatically reconnect after pairing, and game entertainment is done with one hand.
5.  High-definition: High-definition quality wireless sparring.
6.  Easily switch between single-player and two-player games: There is a button at the bottom of the handle to switch between single-player and two-player games at will.
7.  Quick connection: No need for complicated pairing, one-second connection, stable signal without delay.
8.  2.4g wireless classic controller: specially designed for sega mega drive and for Genesis.

Specification:
Certification: CE
Origin: Mainland China
Supporting Language: English
Game type: ACT action game
Model: SG800
Connection mode: high-definition receiver 2.4G wireless
Number of games: 5000 games
Language: English
Wireless transmission distance: 8-10 meters
Working voltage and current: DC 1.5V/800mA
Battery: AAA battery (not included)
Number of people supported: double
Storage: TF card
Memory: 4GB+512MB
Interface: HDMI-compatible
Usage time: about 35 hours of play time, 30 days of standby time
Product size: 140 x72x 28mm/5.5x2.8x1.1in

Packages: 
1 X Console
2 X Controllers
1 X Charging Cable
TF Card  (inside the game stick),512MBTF Card
1 X Manual