2) Volume: adjust the volume by controlling the knob on the left leg of the glasses or within the app, please refer to below pic.
3) 2D/3D mode: switch the 2D/3D mode by pressing and holding the knob on the right leg of the glasses for 2 seconds.

Notice
TCL Industries Holdings Co., Ltd. (the “Company”) has recently been made aware of certain scams fraudulently using the name of the Company and its subsidiaries or associated companies, and fraudsters faking identities as the staff of the Company or the authorized distributors to carry out the following fraudulent activities: Learn More
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