T290
Power indicator 3.3V-3.7V red LED is on
3.7V-3.8V blue LED lights up 3.8V-4.2V white LED turns on and vibrates 0.2S
Charging indicator Charging indicator: The red LED indicator shows the breathing effect. The full white LED lights up for 1 minute, then turns off. It supports smoking while charging.
Charging input voltage: DC5V
Charging current 700mA ± 50mA
3.7V-3.8V blue LED lights up 3.8V-4.2V white LED turns on and vibrates 0.2S
Charging indicator Charging indicator: The red LED indicator shows the breathing effect. The full white LED lights up for 1 minute, then turns off. It supports smoking while charging.
Charging input voltage: DC5V
Charging current 700mA ± 50mA