YUEKO Automatic Smart Guitar Tuner for All String Instruments Electric Acoustic Guitarsukulele Mandolin Banjo etc Guitar String Winderusb Rech

1. Power on/off-Press the button for 1sec to turn on.-Press the button for 2sec to turn off.-Press button to select an Instrument. Guitar Ukulele Chromatic-Jowoom T2 automatically turns off after 5min none-uses. 2. MODE: Press MODE button to select the Tuning Mode 3. AUTO–AUTO–CUSTOM-When Custom mode press button to change the alter note. 4. UP: Press the UP button to winding up the strings. 5. DW: Press the DW button to unwinding up the strings6. S: Press S button to select the strings string’s number goes down one by one-Press button for 2sec to s to Low G string operation only for Ukulele 7. Reset-If Jowoom T2 becomes unresponsive a hard reset is required. Insert a pin into the reset hole and press the button 8. LCD Penal-Setting and real-time display. 9. Direction Indicator-Red light indicates Winding string-Green light indicates Unwinding string 10. Main rotator-All kinds of the guitar ukulele head machine usage 11. USB Charging portuniversal Android mobile charger-Jowoom T2 operates on a 3.6V 2600mAh Lithium battery.-When the battery is low you should charge it through the micro-USB charging port.-When charging the charging LED blinks.-When the charging LED indicators stop to blink it means that the battery is fully charged.12. USB Charge indicator light:-Each lamp indicates 25% of battery power-Battery power level only indicates when USB port is plugged in. Specifications