Function: (Press And Hold the button '?' to Adjust 5 Volume Level ) 1. Number Mode: 2. Color Mode 3. Fruit Mode 4. Piano Mode 5. Music Mode: (10 Classic Sleeping Music) 6. 2x Song Mode:(20 Classic children songs ) 7. Telephone Ring Tones 8.Message Tones 9. Take A Photo Sound. 10. Charge with Micro USB cable.(Charger Adapter Not Included) If it can't charge, Please try to change another Micro USB cable to charge it.