vox allows you to transmit "hands-free" by talking while using vox accessories connected to the radio. see the motorola talkabout accessory brochure for the available vox accessories.
1 turn radio off.
2 insert plug of audio accessory firmly into accessory jack.

4 lower radio volume before placing accessory on head or in ear.
5 to transmit, speak into accessory microphone and to receive, stop talking.

there is a short delay between when you start talking and the radio transmits.
to order accessories, please refer to: www,motorola.com/talkabout