Keywords: SP850, no sound, don't charge, battery, charging, don't work
Avantree Speaker SP850 can not turn on/ can not charge,
Solution 1. Check and confirm if the battery is set up firmly, then have a try again.
Solution 2. Remove the battery and connect the device to power source (computer USB port / mobile phone charger), and see if it can be powered on.
- If not, suggest you to use any spare micro USB charging cable to have a try.
- If it works, you may receive a defective battery, we'll replace the battery for you(https://support.avantree.com/hc/en-us/articles/115000772283), please contact us via email@example.com.