Adds Bluetooth connectivity to GROM USB3 and MST4.
Activate voice commands (Siri etc) with the buttons you already have!
Integrates with buttons you already have
Plugs directly to the extension port of GROM box
Gives wireless handsfree calling (accept/reject call/hang up)Allows for wireless A2DP playback with AVRCP control
Control your media from stereo or steering wheel
Plug and play
10FT long microphone
Not needed for BT3, it’s included