HIGH-TECH: Adopt HD BT4.0 wireless technology to transfer music and phone calls. Integrated with high-tech bone conduction module, It can provide you fine-quality original sound with less harm to your eardrum, but more safety, comfort and health.
SAFE AND SOUND: Ensure you an easy call/answer and music listening in driving, riding and running. It is safer and sounder as you can also sense the surrounding sounds with professional filter.
PROFESSIONAL FILTER MASK: Ultra-fine filter, one-way filter valves and good breathability make it a professional filter mask that can filter out PM2.5, suspended particles, haze, dust, exhaust gas, and other particle with minimum diameter of 3 microns.
BREATHING WITH COMFORT: Unique one-way filter valves filter out your exhaling gas and prevent dirty air from filtering in. Plus the metal memory nosepiece is for perfect facial fitting, non-falling off, free from dirty air.
ANTI-INFERFERENCE MICROPHONE: Built-in microphone with sensitivity up to 50¡Â3dB, together with three-dimensional cutting mask that reserves sufficient space for helping you communicate clearly. RECHARGEBLE: Charge with USB charging cable provided. Its play time is up to 7 hours, and the standby time reaches up to 15 days. Only take 2 hours to fully charged state.