Colorful touch atmosphere light, 7 kinds of color can change. Support quick charge function, can charge two devices at the same time. 3 in 1 multi-function of car charger, bluetooth headset, and oxygen bar.  Purify the air in car, give you a healthy space.  bluetooth V4.0 headset, auto answer / hang up, smart power on / off and auto pairing your phones ( one with two phones ). Ear caps are made of medical grade silicone and offer 3 sizes for a custom fit.  Powerful purification, 4 layer filtration, nano dust removal and oxygen making technique.  Stereo HD surround, imported chip DSR, smart DSP noise reduction. Oxygen bar can release more than 3 – 10 million ions, making your driving safer and healthier.  Just pick the headset up to answer incoming call when the phone is ringing and put the headset back into the charging port to end a call.  Auto power on when car engine starts and power off after 15mins without pairing with phone.  LED red and blue light flashing alternately, equipment is searchable and in pairing state. Blue light flashing, paired and ready to use.  Specification: 

Package Included:1 X Car Dual USB Oxygen Bar Charger Adapter1 X Wireless bluetooth V4.0 Headset2 X Earplug