Direct Link: How to pair HF3.0 Intercom to any Twiins Hands-Free on Intercom mode

Learn how to pair HF3.0 Intercom to any Twiins Hands-Free on Intercom mode (Direct Link).
For more information, please visit www.twiins.com

[@DcyChng]

Intercom function can link up how many devise ? Only 2 devise ? How far for the intercom ?

[@JimGlimpse]

Is there an easy way to tell difference between HF3 & HF2

[@yipgeewai7208]

How to adjust volume?