Material: soft TPU, Color: different LED colors are available (red, yellow, blue and green etc.), Voice control 1)Material: soft TPU,2)Color: different LED colors are available (red, yellow, blue and green etc.),3)With on/off button,4)OEM and private labels are welcome,5)Wonderful products for party,6)Use 3pcs AG13 batteries,replaceable,7)diameter:6.5CM8)Voice control LED flashing bracelet