UPC 658126455626

• INNOVATIVE BONE CONDUCTION TECHNOLOGY :Integrated with high-tech bone conduction module, It can provide you fine-quality original sound with less harm to your eardrum, more safety, comfort and health.
• ADVANCED ANTI-POLLUTION FILTER MASK : Unltra-fine filter, free breathing, highly resistant to PM 2.5, bacteria, dust, suspended particles
• SAFE AND SOUND :Adopt EDR 4.0 wireless technology to transfer music and phone calls. It is safer and sounder as well as you can sense the surrounding sounds with professional filter.
• INCREASED SITUATIONAL AWARENESS : With bone conduction headphones, there are no speakers going over or into your ears, depleting your senses.
• DESIGN:Ergonomics-based scientific design.The three-dimensional structure is designed precisely based on the data about facial structure of people in recent 20 years, repeat molding and correction help make it fit to different facial shapes.

This special anti-pollution mask is not only a bluetooth headphone but also a professional haze-resistant mask that can filter out exhaust including haze, dust, suspended particles and other pollutants. The filter is specially suitable for sports like running, cycling, jogging, etc. This is way more efficient than the cheap surgical masks that most people use. Note, 1.If the connecting distance is beyond the headphone effective range , the headphone will disconnect with the device.Once in effective range again, they will connect again automatically. 2. If the disconnecting continues for long time , you maybe need manual matching. Please replace or clean the filter element regularly to ensure effective resistance to hazardous substances, How To Match, 1. First Match: Press and hold the power button for six seconds until the indicator light flashes,indicating pairing mode, 2.Search the Bluetooth device on your phone and then choose it 3.If it was connected with last device, it will automatically match in 10s. And the blue light is on. Specification: Bluetooth Chip:CSR8635, BluetoothProfile:A2DP/HFP, HSP, AVRCP, GAVDP, AVDTP, Battery:320mAh Polymer battery, Mic:Anti-interference microphones, -50DB, Play time:7h, Standby time:15days, Effective range:15m, Mono/Stereo:Stereo, Blue tooth Version:4.0, Bluetooth Class:II, BQB included:No, Receiving Sensitivity:88dBm, Impedance:32 , Frequency range:20-20KHz, TF card:No, Weight:133g,