SR5040B  Travel Set Sound Sensor Led Bracelet (CE,RoHS,FCC Approval ): 

1) Material: Plastic.  Size: Dia.7.0cm   2 pcs LED lights.
2) voice activate sound control flashing led bracelet

3) 3 pcs AG13 batteries included,  battery replaceable  
4) Ergonomic design and easy to wear.
5) Good idea to parties,camping, musicale and promotion gifts.
6) Customized Logo available

Remarks:

OEM Provided, new designs and updated styles are welcome 

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