BT-U221 Bluetooth Speaker Manual
Video Demo and Explanations
Warnings and Cautions
1. To reduce the risk of fire or electric shock, be sure the electrical circuits
are not overloaded.
2. To reduce the risk of electronic shock, be sure not plug the adapter with
3.Unplug the power cable if your device is smoking or abnormal and seek
professional help from your nearest service center, be sure not detach the
4.To reduce the risk of fire or electric shock, do not expose this product to
rain or moisture. Liquids can cause a failure and/or a fire hazard.
5. In order to prevent a short circuit , the power cable and audio cable
should not be twisted or dragged in case of short circuit.
6.Do not place the speaker near any open flame sources, such as lighted
7. The safety temperature of Lithium Battery should not exceed 80℃
BT-U221 FCC Warnings.