Micro-USB port: when the device power is low, connect the charger to charge the device, then the red indicator is on; When the red indicator goes off, the power become full. It is not recommended to use the equipment during the charging process (it will reduce the service life of the equipment battery). Power switch/LED lights adjustment: long-press this button for 5 seconds to switch on the device, then green indicator is on and flashing; After 20 seconds, the WIFI function starts. Open your device WIFI and search for a WIFI hotspot named U-M-W10