Key

Description

1

Micro USB port

Micro USB port is used for charging and data transfer between devices.

2

PTT key

The PTT (Push-to-Talk) key activates voice communication in walkie-talkie or two-way radio mode, allowing instant voice transmission while pressed.

3,4

Volume keys

Volume keys  increases/decreases the device’s audio output level.

5

3.5 mm
Headset Jack

The 3.5mm headset jack allows you to connect wired headphones or earphones for audio output and microphone input.

6

Silent key

The Silent key mutes ringtones and alerts, switching the handset to silent mode.

7

1 / Voicemail key

The Voicemail key (1) provides quick access to your voicemail inbox when held down.

8

Proximity sensor

The Proximity sensor detects when the handset is near your ear to turn off the screen and prevent accidental touches.

9

LED indicator

LED indicator provides visual notifications for charging, messages, or system alerts.
Red: Charging
Green: Charge completed
Blinking green: Missed call(s) or Voice Mail received
Blinking red: Low Battery

10

Mute

The Mute key silences the microphone during calls or recordings, preventing your voice from being heard.

11

On-hook /Power key

The On-hook/Power key turns the device on or off and ends active calls when pressed.

12

# / Lock key

Locks keypad against unintentional entries when keep pressing #.
 
Press and hold the
 
# key for approximately 2 seconds to lock the keys. Press Unlock Softkey
 
and then # to unlock the keys.

13

Microphone

The Microphone captures your voice during calls.