APRS-K1 cable (audio interface cable) APRSDroid SSTV audio cable compatible with Android.

Recommended Apps, Plug and Play Usage:
iOS: aprspro (available on the iOS App Store)
Android: aprsdroid (available on Amazon and Google Play Store)
A simple way to get started with APRS by using your device. This Dinghong APRS-K2 cable will quickly connect your wireless to APRS using a virtual TNC (App Driven) on your tablet or device. The APRS-K2 cable's built-in custom circuit board automatically adjusts audio, transmitting transparent packets with minimal adjustment; plus, it protects your device from overmodulated strong signals.
Combined with APRS functionality, the APRS-K2 cable provides a simple interface portal, allowing you to use your radio versatility!
Easily record radio calls: broadcast and record (line input) between devices using the APRS-K2 cable.
Using the APRS-K2 cable connector: the kit acts as a microphone on your VOX phone for your radio, accepting any form of audio input – such as push-to-talk apps – or a line output for use with your computer.
Push the limits of transmission with the APRRS-K2 cable from your handheld speaker system: easily play audio from intercoms or speaker systems.
With a backup radio and your own ingenuity, the APRRS-K2 cable serves as an interface suitable for a wide range of applications, perfect for any hobbyist.
Compatible with KENWOOD K2 accessory slot radios (such as BAOFENG btech, WOUXUN TYT)
and all mobile phones, tablets, and computers. Features a 3.5 mm audio input/output port.