: Used to answer or end calls. You can also redial the last number by pressing and holding it.
: For more specific technical details, you can visit the Samsung Support HK page or check for manual downloads on the Official Samsung Support US site. Manuals & Software | Official Samsung Support US samsung hm1200 instruktsiia
: If your device isn't detecting the headset, try turning Bluetooth off and back on or restarting both devices. : Used to answer or end calls