AURSINC WiFi Deauther & Bad USB Watch V4 - Programmable Dev Board

In this review of the AURSINC WiFi Deauther & Bad USB Watch V4 the bottom line is simple: this is a compact, hackable development watch for makers and security testers who want a portable Deauther plus a Bad USB capability in one device. The review finds the V4 most notable for combining an ESP8266-based Deauther with an added Atmega32u4 (Arduino Leonardo) so the watch can run both wireless testing routines and emulate USB devices, while a 1000mAh rechargeable battery and an external antenna option extend real-world use.

Key Features

• Dual-controller design: The combined ESP8266 and Atmega32u4 allow the watch to perform WiFi deauthentication and act as a Bad USB device for flexible testing and development.
• Upgraded antenna options: The larger 3dB built-in antenna and SMA connector support improve signal discovery and range for WiFi scanning and attacks.
• Programmable development board: Empty solder pads on the back provide room to customize connections between the ESP8266 and Atmega32u4 for custom projects and sensors.
• Rechargeable power: The built-in 1000mAh battery provides portable runtime for field testing without needing constant external power.
• Compatibility with NodeMCU and Arduino Leonardo: The watch design mirrors common development environments so makers can reuse familiar toolchains and code examples.

Who It's For

The V4 is aimed at electronics hobbyists, security researchers, and firmware developers who want a small, wearable platform for wireless testing and USB emulation. If you enjoy soldering and modifying boards, the exposed pads and dual controllers make it a good base for experimentation.

It is not intended for casual users seeking a consumer smartwatch: a working knowledge of ESP8266, Arduino, and basic RF concepts will be needed to get the most from the watch. Those who need fully polished out-of-the-box consumer features should look elsewhere.

Pros & Cons

Pros

• Combines Deauther functionality and Bad USB capability in a single, compact device.
• External antenna option and larger onboard antenna improve signal discovery and range.
• Solder pads and familiar Atmega32u4/ESP8266 platforms make the board highly hackable and programmable.
• 1000mAh rechargeable battery supports field use without frequent charging.

Cons

• Requires technical skill to solder and configure custom connections and to safely use advanced features.
• Not a consumer-grade smartwatch; lacks polished UI and finished wearables features.

Specifications

Product name	AURSINC Deauther & Bad USB Watch V4
Controllers	ESP8266 and Atmega32u4 (Arduino Leonardo)
Battery	1000mAh rechargeable battery
Antenna	Built-in 3dB antenna with SMA connector option
Programmability	Empty solder pads for custom connections and I2C soldering
Use cases	Deauther attacks, Bad USB emulation, development board

Our Verdict

The AURSINC V4 watch is a strong value for makers who need a compact, dual-purpose testing platform: it pairs a capable ESP8266 Deauther with an Atmega32u4 for Bad USB work and leaves room for hardware customization. Buy it if you plan to solder, program, and experiment; skip it if you want a polished consumer smartwatch experience.

Frequently Asked Questions

Can the watch act as both a Deauther and a Bad USB at once?
Yes; the V4 includes both an ESP8266 for WiFi functions and an Atmega32u4 to provide Bad USB functionality, though using both together may require custom wiring.

Is the antenna upgrade required for better range?
The built-in 3dB antenna improves signal discovery over earlier versions and the SMA connector allows a larger antenna for extended range when needed.

Do I need to solder to use the watch?
The watch works out of the box for basic Deauther and Bad USB features, but solder pads are provided for those who want to add I2C or other custom connections.