Features‎:‎Colorful touch atmosphere light‎,‎ 7 kinds of color can changeSupport quick charge function‎,‎ can charge two devices at the same time3 in 1 multi‎-function of car charger‎,‎ Bluetooth headset‎,‎ and oxygen barPurify the air in car‎,‎ give you a healthy spaceBluetooth 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 fitPowerful purification‎,‎ 4 layer filtration‎,‎ nano dust removal and oxygen making techniqueStereo HD surround‎,‎ chip DSR‎,‎ smart DSP noise reductionOxygen bar can release more than 3 ‎- 10 million ions‎,‎ making your driving safer and healthierJust 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 callAuto power on when car engine starts and power off after 15mins without pairing with phoneLED red and blue light flashing alternately‎,‎ equipment is searchable and in pairing state‎.‎ Blue light flashing‎,‎ paired and ready to useSpecifications‎:‎ ‎- Bluetooth version‎:‎ 4.0 ‎- Working distance‎:‎ 5 ‎- 10m ‎- Chip mode‎:‎ CSR BC8  ‎- Input‎:‎ 12V / 2A ‎- 24V / 1A ‎- Output‎:‎ 5V / 9V / 12V 2.5A ‎(‎ max ‎)‎  ‎- Oxygen power‎:‎ Less than 1W  ‎- Negative ion concentration‎:‎ 3 ‎- 10 million / cubic cm ‎- Standby time‎:‎ 96h ‎- Talking time‎:‎ 4h ‎- Built‎-in 40mAh lithium‎-ion batteryModel Number‎:‎ TL20  Material ‎(‎ Cable&Adapter‎)‎‎:‎ ABS  Standby time‎:‎ 96 hours  Battery Capacity‎:‎ 40mAhPackage weight‎:‎ 0.155 kg  Product Size‎(‎L x W x H‎)‎‎:‎ 9.00 x 3.50 x 3.50 cm / 3.54 x 1.38 x 1.38 inches  Package Size‎(‎L x W x H‎)‎‎:‎ 12.00 x 6.50 x 5.50 cm / 4.72 x 2.56 x 2.17 inches Package Contents‎:‎ 1 x Car Dual USB Oxygen Bar Charger Adapter‎,‎ 1 x Wireless Bluetooth V4.0 Headset‎,‎ 3 x Earplug