Ninebot BT2928 - Precautions; Trademark and Legal Statements

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13 Trademarks and legal statements 12 Precautions

Instructions for Product Use

1. To avoid damage caused by falling, do not throw or cast the product.

2. Do not disassemble, repair or modify the product. Avoid falling or being under heavy pressure.

3. Do not use or store the product in high temperature. Do not expose the product to rain or humid environment.

Please do not store the product together with ﬂammable, explosive and corrosive chemicals.

4. The product contains lithium battery, please do not put it in ﬁre, so as not to cause danger. When discarding

the product, please abide by local laws and regulations.

5. Do not touch the diaphragms on the left and right of the speaker.

Instructions for Users

1. In order to avoid hearing damage, please use medium or low volume when playing for a long time.

2. In order to prolong the service life of the battery, please charge it in time after each use. Do not wait until the

battery runs out before recharging. Do not store the speaker for a long time under low battery.

3. When the product cannot be turned on, please connect it to the charger to charge for 10 minutes.

4. Do not clean the product when charging. This product should be powered o before cleaning.

5. To avoid damage to the product, please use the charger with an output voltage/current of 5 V/3 A

Maintenance

1. The normal working temperature of the speaker should be-10 ℃–50 ℃. Temperature extremes will accelerate

the aging of electric components. Pay special attention to cooling and maintaining air circulation in summer.

2. Charge regularly. If the product is not used for a long time, especially in humid and high temperature seasons,

it is best to charge it for half an hour every day. Prevent the internal coil, the speaker voice coil and the

transformer from being damaged by humidity.

3. Regularly wipe the speaker surface with clean, wet and soft cotton cloth; When not in use, cover it with a dust

cover or cloth to prevent dust from entering the speaker.

Ninebot and Ninebot AirLock are the trademarks of Ninebot (Tianjin) Tech Co., Ltd; Segway and the Rider

Design are the registered trademarks of Segway Inc., Mi is the registered trademark of Xiaomi Inc; Lamborghini

is the registered trademark of AUTOMOBILI LAMBORGHINI S.P.A. The respective owners reserve the rights of

their trademarks referred to in this manual.

We have attempted to include descriptions and instructions for all the functions of Ninebot Engine Speaker at

the time of printing. However, due to constant improvement of product features and changes of design, your

Speaker may dier slightly from the one shown in this document.

Please note that there are multiple Segway and Ninebot models with dierent functions, and some of the

functions mentioned herein may not be applicable to your unit. The manufacturer reserves the right to change

the design and functionality of the Speaker product and documentation without prior notice.