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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 in-ear headphones MTRO100BT (with M
size earcaps)
3 pairs of replaceable
earcaps
USB cable (for charging)
QSG
Safety
sheet
Quick start guide
Safety sheet
Overview of the wireless in-
ear headphones
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back
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1 Turn the volume up.
2 Power on or off/Pairing/Music/call control and voice
assistant or skip to the next track or previous track.
3 Turn the volume down.
4 LED indicator (on the back)
5 Micro USB charging slot
6 Microphone
7 Replaceable earcaps
8 Cable slider