Features:
1.The device has an ESP32‑S2 module that recognizes it as a keyboard + USB stick.
2.HTTP file servers can use both upload and download functions.
3.It's also a slot that can be recognized as an MSC SD card.
4.Use the ESP32‑S2 as a USB disk with wireless access, supports native USB.
5.Small and compact, portable and easy to carry

Specifications:
Condition: 100% Brand New
Material: ABS plastic
Operating Voltage: 3.0 - 3.6V
WiFi: 310mA (Peak)
Light Sleep: 550 uA
Deep Sleep: 20-235 uA
Board Size:
17mm x 50mm/0.67 x 1.97in (without USB case)
19mm x 62mm/0.75 x 2.44in (with USB enclosure)

ESP32-S2 Module
Xtensa® single-core 32-bit LX7 microprocessor (up to 240MHz):
1.RISC-V ULP coprocessor
2.128KB ROM and 320KB SRAM
3.4MB embedded SPI flash memory
Cryptographic hardware accelerators: AES, ECB/CBC/OFB/CFB/CTR, GCM, SHA, RSA and ECC (digital signature)

Physical Security Features:
1.Transparent external flash and RAM encryption (AES-XTS)
2.Secure Boot feature ensures that only signed firmware (with RSA-PSS signature) is booted
3.The HMAC and digital signature modules generate SHA- and  signatures using keys not accessible to software
Integrated 802.11 b/g/n WiFi 2.4GHz transceiver (up to 150Mbps)
Integrated temperature sensor (-20°C to 110°C)

How to put the ESP32-S2 into bootloader mode:
Insert the WUD into the laptop
Put the magnet close to the hall sensor (GPIO 0)
Press the reset button and the WUD will now enter bootloader mode

Package Included:
1 * WiFi HID Injector