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Products Description
Mood Light Bluetooth Speakers for Home
The Bluetooth speaker comes with 64 million colors of lights, which will change and flicker with the speed of the music. When the volume of the Bluetooth device is at 80-90% of the total volume, the light will flicker at a high frequency with the speed of the music. When the volume of the Bluetooth device is at 70-80% of the total volume, the light will flicker at a low frequency with the speed of the music. When the volume of the Bluetooth device is below 70% of the total volume, all 64 million colors of lights will be automatically turned off, and the Bluetooth speaker system will automatically enter the hypnosis mode. At this time, the sound it plays is like a lullaby, giving people a comfortable rest environment. In addition, press and hold the power button for 3 seconds, and the Bluetooth speaker will enter the night light mode (i.e. warm white light lighting mode).

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jbl bluetooth speaker second hand
1. Market status of second-hand JBL Bluetooth speakers
With the rapid development of technology, Bluetooth speakers have become an indispensable part of daily life. As a world-renowned audio brand, JBL’s products have a high reputation and reputation in the market. The second-hand JBL Bluetooth speaker market has gradually become hot. Due to the high price of new products, many consumers prefer to choose second-hand products with higher cost performance. In addition, the second-hand market also provides more choices for consumers who have a certain pursuit of sound quality but have a limited budget.
However, due to the diverse sources of products in the second-hand market and uneven quality, consumers need to be cautious when purchasing. Some unscrupulous merchants may sell refurbished or damaged products, and it is difficult for consumers to distinguish the authenticity when purchasing. Therefore, when consumers purchase second-hand JBL Bluetooth speakers, they need to master some purchasing skills and maintenance methods to ensure that they purchase cost-effective products.

2. Purchase tips for second-hand JBL Bluetooth speakers
1. Confirm the authenticity of the product
When purchasing a second-hand JBL Bluetooth speaker, you must first confirm the authenticity of the product. You can check whether the product’s outer packaging, instructions, warranty card, etc. are complete, and check whether the product model and production date are consistent with the actual product. In addition, you can also check through the official website or customer service phone to ensure that the product is genuine.
2. Check the appearance of the product
Appearance inspection is an important part of purchasing a second-hand JBL Bluetooth speaker. Carefully check whether the surface of the speaker has traces of wear, scratches, dents, etc., and whether it has serious damage such as deformation and cracking. In addition, check whether the buttons, interfaces and other parts of the speaker are normal to ensure that the speaker’s functions are complete.
3. Test the sound quality
Sound quality is a key indicator to measure the quality of Bluetooth speakers. When purchasing a second-hand JBL Bluetooth speaker, be sure to test the sound quality yourself. You can play different types of music to listen to whether the sound quality is clear, whether the volume is sufficient, and whether the sound quality is distorted. If the sound quality is not good, it is recommended not to buy it.
4. Check the battery life
Battery life is one of the important performance of Bluetooth speakers. When purchasing a second-hand JBL Bluetooth speaker, check whether the battery life meets the standards in the product manual. You can play music continuously and observe whether the battery life of the speaker is consistent with the data in the manual. If the battery life is too short, it may be that the battery is aging or there are other problems.
5. Understand the seller’s reputation and after-sales service
When buying a second-hand JBL Bluetooth speaker, you should understand the seller’s reputation and after-sales service. You can check the seller’s evaluation, sales volume, after-sales policy and other information, and choose a reputable seller. At the same time, you must confirm the guarantee of after-sales service so that you can solve it in time when there is a problem with the product.
3. Maintenance methods for second-hand JBL Bluetooth speakers
1. Clean the speaker
Regular cleaning of the speaker is an important method for maintaining second-hand JBL Bluetooth speakers. You can use a soft cloth to wipe the surface and buttons of the speaker to remove dust and dirt. If the speaker has a waterproof function, you can rinse the surface with water, but do not let water enter the inside of the speaker.
2. Check the battery
The battery is the power source of the speaker, and maintaining the battery can extend the service life of the speaker. You can use a charger to charge the battery and make sure the battery is fully charged. Avoid long-term idleness to prevent over-discharge, overcharge or aging of the battery.
3. Check the Bluetooth connection
Bluetooth connection is the key to the communication between the speaker and the device. Check the Bluetooth connection regularly to see if it is normal. You can test whether the Bluetooth connection is stable by connecting to mobile phones, tablets and other devices and playing music. If there is a connection problem, you can try to reset the Bluetooth module or check whether the device supports Bluetooth connection.
4. Check the sound quality
Sound quality is the core performance of the speaker. Check the sound quality regularly to see if it is normal. You can play different types of music to hear whether the sound quality is clear, whether the volume is sufficient, and whether the sound quality is distorted. If there is a problem with the sound quality, you can check whether the volume setting of the speaker is correct, or try to adjust the EQ setting.
5. Understand after-sales service
When buying a second-hand JBL Bluetooth speaker, you should understand the seller’s after-sales service policy. If the speaker fails during the warranty period, you can contact the seller for repair or replacement. Understanding after-sales service can ensure that problems with the product are solved in a timely manner.

IV. Summary
The second-hand JBL Bluetooth speaker market is becoming increasingly hot, but consumers need to be cautious when purchasing. Mastering purchasing skills and maintenance methods can ensure that you buy cost-effective products. When buying a second-hand JBL Bluetooth speaker, you should first confirm the authenticity of the product, check the appearance of the product, test the sound quality, and understand the seller’s reputation and after-sales service. When maintaining a second-hand JBL Bluetooth speaker, you should regularly clean the speaker, check the battery, Bluetooth connection and sound quality, and understand the after-sales service. Through the correct purchase and use methods, consumers can enjoy a high-quality music experience while extending the life of the speaker.