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TONLISH K520 Bluetooth Gaming Earbuds User Manual — questions & answers

Read product questions and troubleshooting answers linked to TONLISH K520 Bluetooth Gaming Earbuds User Manual.

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Could using a fast charger damage the battery of my TONLISH K520 Bluetooth Gaming Earbuds, and what is the recommended charging method?

2026-06-04 1 answer

According to the TONLISH K520 Bluetooth Gaming Earbuds manual, using an incorrect charger can indeed damage the battery. The manual specifically warns to "use…

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Why are my new K520 earbuds experiencing slow charging, poor battery life, and only charging when the case is plugged in?

2026-06-04 1 answer

Based on the TONLISH K520 manual and the symptoms described, your unit may be defective or experiencing a connection issue. Here are the troubleshooting…

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