Be sure to charge your earbuds on a flat surface to ensure the USB connector on the charging cord is flush and securely inserted into the charging port. When charging the device, we recommend using a cable, charger , or outlet with a power output that does not exceed 18-Watt (5 Volts/3.6amps). Issue: Not seeing the LED light on Ink’d® Wireless that indicates earbuds are charging. Or, not seeing LED light on Ink’d® Wireless that indicates headphones are finished charging, despite charging for 1+ hours . Wait momentarily after plugging the earbuds in , occasionally it takes a few seconds to begin charging . Issue: Not seeing the LED light on Ink’d®+ Wireless that indicates earbuds are charging. Or, not seeing LED ligh t on Ink’d®+ Wireless that indicates headphones are finished charging, despite charging for 1+ hours .