Methods of operation:
1,Open the battery, and press the "ON/OFF",LED screen show "TIME 15" and "STRONGS 0".
2,Press the "CH/EN" ,you can choose the language(English or Chinese).
3,You can press the "MODE", choose different patterns.
4,Adjustable the strength, you can press the "STRONG"OR "WEAK", to choose the strong with you like.
5,Press the "TIME", press 1 times extend 5 Minutes.