4
2 Welcome
Congratulations on the purchase of your new TCL
headphones! After it is set up and connected, you can enjoy
wireless music and phone calls with high quality sound. You
are recommended to read through this user manual which
helps you set up, connect and operate the product easily
and properly. For more information, visit www.tcl.com.
Let’s get started.
What’s in the box
TCL wireless active noise cancelling over-ear
headphones with mic
ELIT400NC
USB cable
(for charging)
Audio cable
QSG
Safety
sheet
Quick start guide Safety sheet
Overview of the wireless
active noise cancelling over-
ear headphones with mic
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1
7
9
4
2
6
1 Power on/off and Paring
2 Turn the volume up.
3 Turn the volume down.
4 MFB (Music/call control and voice assistant or
skip to the next track or previous track)
5 ANC slider
6 ANC LED
7 Power LED indicator
8 Micro USB charging slot
9 Microphone
10 3.5mm audio socket
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