Description: 1. Release negative ions,so that the air of smoke and dust precipitation, remove formaldehyde, bacteria, and the air is purified. 2. Oxygen bar can release more than 0.03-10 million ions 3. Dual car charger with dual USB output,high efficiency. 4. 4.0 Bluetooth wireless stereo earphone. Healthy call: escort your health and safety, specially for pregnant women, children, new cars, smoking. Ergonomic design: 1. made with medical grade silicone 2. three ear cap sizes for a custom fit Ultrasonic welding process: Answer the phone, hang up the phone: 1. pick the headset up to answer incoming call when the phone is ringing 2. put the headset back into the charging to end the call Product parameters: Head set: bluetooth version: 4.0 longest distance: accessible 10m bluetooth frequency: 2.4GHZ Chip model: CSR BC8 weight: 5.6g the headset diameter: 23mm Battery capacity: 40mAH talk time: 4H standby time: 96H Oxygen bar: input voltage: 12v output voltage: 1.5kv-3.5kv power: anion concentration: 300w-10000w/cm3 Car charger: input voltage: 12V output voltage: 5V+-0.25V output current: 3.1A max(1A+-3.1A) Package included: 1x bluetooth headset with oxygen bar
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