Product: ELEGOO Nano Board CH340/ATmega+328P Without USB Cable, Compatible with Arduino Nano V3.0 (Nano x 3 Without Cable)
Brand: ELEGOO
Color: Nano 3.0 X 3 Without Cable
The Nano is a small, complete, and breadboard-friendly board based on the ATmega+328 (Arduino Nano 3.x). It has more or less the same functionality of the Arduino/Genuino UNO, but in a different package. It lacks only a DC power jack, and works with a Mini-B USB cable instead of a standard one. 
 You could download the driver of Elegoo Nano V3.0 at: http://bit.ly/2pMF4in 
 
 Technical specs
 Microcontroller: ATmega+328
 Architecture: AVR
 Operating Voltage: 5 V\
 Flash Memory: 32 KB of which 2 KB used by bootloader
 SRAM: 2 KB
 Clock Speed: 16 MHz
 Analog I/O Pins: 8
 EEPROM: 1 KB
 DC Current per I/O Pins: 40 mA (I/O Pins) 
 Input Voltage: 7-12 V
 Digital I/O Pins: 22
 PWM Output: 6
 Power Consumption: 19 mA
 PCB Size: 18 x 45 mm
 Weight: 7 g
 
 
 Package Include : 
 3 X Nano Board 
 ATTENTION: 
 We dont have USB cables in this kit and you will need to buy a mini USB cable to use this NANO board. 
 

It is a smallest, complete, and breadboard friendly board. It has everything that Diecimila/Duemilanove has (electrically) with more analog input pins and onboard +5V AREF jumper.
Nano's got the breadboard-ability of the Boarduino and the Mini+USB with smaller footprint than either, so users have more breadboard space. It's got a pin layout that works well with the Mini or the Basic Stamp (TX, RX, ATN, GND on one top, power and ground on the other).
The Nano can be powered via the Mini-B USB connection, 7-12V unregulated external power supply (pin 30), or 5V regulated external power supply (pin 27). The power source is automatically selected to the highest voltage source.

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