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Operation Steps:

1.Turn it on, and then the red LED lamp and the blue LED lamp will flicker alternately until they enter paring mode, which means the device starts to work normally. Perform Bluetooth paring operations after it is on for 30 seconds.
2.After it enters paring mode, enable the Bluetooth function for the devices such as Bluetooth PC, cell phone and any other digital products with bluetooth function. Search Bluetooth devices or new devices to find SF-LY001 and connect it. Password input for paring is needed, and the default password is: 0000. 
3.After successful paring, the red LED lamp will turn off and the blue LED lamp will flicker slowly, which means it has been connected already. Then we can play music by player. 
4.To change the play device during normal operation, disconnect the connected Bluetooth PC and cell phone, and then perform paring connection for other bluetooth devices.
5.If device with battery (batteries) is selected, it is recommended to turn off it during charging. The red light is on until the charging is finished. 
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Technical Specification:
1,Complies with Bluetooth 2.1 
2,Support A2DP  V 1.2 . 
3,Powered by  5 V DC 
4,Transmission distance: not less than 10 meters
5,Dimension: 60 * 35 * 15 mm 
6,2 indicators flicker alternately when there is no connection. Blue light flicker slowly  after successful connection 
7,1 power switch 
8,1 standard 3.5 mm output 
9,1 standard mini USB power connector 
10.1  USB power-supply cable 
11,Optional embedded battery(250 mA).  
12,Optional power adapter 
13,Optional Bluetooth audio transmitter


Notes
1.Select a machine with a battery (batteries). The battery may fail for new machine or machine which has not been used for quite a long time. If it occurs, connect it to USB of PC or charge it before use it normally.
2.Keep it far away from high temperature and damp environment; place it in ventilated and dry environment.  Exposure to rain and severe shock is forbidden! 
3.Do not open the cover at will in case of electrical shock or any other accidents. For repairs, ask help from maintenance stations of our company or professional personnels. 
4.If any metal part or liquor drops into it, switch off the power at once.  It can be used only after examination by professional personnels. 
5.Turn it off when you do not use it.