1.[Open Ear Design for Comfort] Bluetooth headset with microphone sound can be transmitted precisely through the ear canal into the cochlea, multi-directional restoration of the shape of the music while effectively preventing sound diffusion from affecting others. Open ear design ensures your ears stay open to your surroundings for maximum situational awareness, and connection. (NOTE: Not recommended for people with hearing impairments) 2.[270° Rotating Boom Microphone] Wireless headset with noise-canceling boom microphone enhances call quality. The flexible boom mic can be rotated 270°. Adjusting the microphone to the position can pick up your voice more loudly and ensure callers hear your voice clearly. AAC and SBC dual audio decoding can listen to high-definition music and enjoy the clear sound quality. 3.[ and Comfortable Fit] Unlike other open-ear headsets, Bluetooth headset adopts lightweight, skin-friendly and soft silicone with weight only 28g, which is more comfortable to wear for all-day listening. 360° bending without breaking of memory titanium alloy band, arbitrary adjustment, perfect fit. The sink design of hooks prevents falling off while workout. 4.[Advanced Bluetooth 5.3 Stable Connection] Open ear headset is equipped with latest Bluetooth 5.3 technology and a built-in advanced chip for faster signal transmission and more stable connection. Transmission distance is up to 33 ft without large obstacles in between. So you don't need to worry about disconnection when driving, work, outdoor sports, online study and you can switch music/game mode with voice tips. (NOTE: Only enjoy about 70ms audio delay when gaming mode)