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Please take a moment to read this user manual thoroughly, and keep it for future reference. This manual explains the features and functions of this product.
Power
Turning On: | Press and hold "MFB" for 3 seconds |
Turning Off: | Press and hold "MFB" for 5 seconds |
Wireless Connectivity
Clear Pairing: | When headset is ON, hold down the "MFB" and "Volume+" button for 5 seconds |
Playback
Play/Pause: | Press "MFB" |
Previous Track: | Long press "Volume -" |
Next Track: | Long press "Volume +" |
Volume Control
Raise Volume: | ![]() |
Lower Volume: | Press "Volume -" |
Answer Call: | Short press "MFB" to answer an incoming call |
End Call: | Short press "MFB" to hang up the call |
Reject Call: | Long press "MFB" for 1 second to reject incoming calls |
Mute Mic: | Short press the Mute Microphone Button |
Mic On (Unmute): | Short press the Microphone Mute Button |
Redial Last Number: | Double click "MFB" to redial the last dialed phone number (when phone is in standby or playback mode). |
Three-Party Call: | Double click "MFB" to hold the current call and connect to the new call. Double click "MFB" again to switch between the reserved call and the current call (short pressing will end the call) |
Automatic Shutdown: | Automatically shuts down when there is no connection for more than 30 minutes. |
Work With Cable: | Take the Type-Cto 3.5mm audio cable, plug the Type-C end to Headset charge port, plug 3.5mm end to phone or PC port. |
Mode | Indicator |
Power ON | Blue LED flash 3 times |
Power OFF | Red LED flash 3 times |
Pairing Mode | Blue and Red LED flashing alternately |
Delete Pairing Record | Blue and Red LED flash once at the same time |
Reconnect Mode | Blue LED flash twice every 5 seconds |
Unconnected Standby Mode | Blue LED flash 2 times every 2 seconds |
Connected Standby Mode | Blue LED flash 3 times every 8 seconds |
Playing Music | Blue LED flashes 1 time every 6 seconds |
Dialing/Talking | Blue LED flashes 1 time every 6 seconds |
Low Battery | Red LED flash 2 times every 2 seconds |
Charging | Red LED is steady on |
Full Charged | Solid Blue LED |
Mic Mute | Red LED flashes 1 time every 6 seconds |
Please charge the DELTON20X when you see the red LED flash. Charging time is about 1.5 hours. The solid red LED will change to a solid blue LED when the headset is fully charged. Please connect to the DELTON20X charging port through the Type-C end of Type-C charging cable, USB end to the charger, can be used as car charger, travel charger, computer USB, etc.
Driver: | 36mm | Impedance: | 32 ohms |
Play Time: | Up to 40 Hours | Wireless: | V5.2 |
ChargingTime: | Upto 2 Hours | Operation Range: | 30 Ft |
Stand-byTime: | Up to 400 Hours | Battery: | 400mAh Lithium |
Frequency Range: | 2.40Ghz-2.48Ghz | Charging Interface: | Type-C |
Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.
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