Open-ear Comfort: Unlike the traditional earphones, this Bluetooth headset with open-ear design don't go in your ears, which can cause less damage to hearing than other in/over-ear earbuds. G9 headset Bluetooth wireless ensures both all-day comfort for long-term wearing and situational awareness & connection with your colleagues. Not only suitable for office/home, but also fit for outdoor activities. Make you safe and never miss friends greeting on your run.Detachable Ambient Noise-Canceling Boom Microphone: Wireless headset features an adjustable ambient noise cancellation boom microphone which can be rotated 360 to receive the voice exactly and filter the surrounding noise for clearer call quality. Besides the detachable mic is magnetically designed. With a removable boom mic, these open ear headset can easily transform from Bluetooth work headset into a fashionable wireless sport headphones. G9 headset Bluetooth with microphone has 15.4mm driver speaker which is bigger than others, and the sound is more clearer and louder.Feather Lightweight and IPX5 Waterproof for Sports: Bluetooth headphones with mic are so lightweight without pressing the ear. Open ear design to make it comfortable for all-day work and adopt skin friendly silicone ear hook to make it stay on the ear. G9 are so flexible that can be bend 360without deformation and twisted without breaking. open ear neckband make it so easier to carry such as hanging it around your neck . Bluetooth headset with noise cancelling mic has IPX5 waterproof, which is perfect for sports, workout, running, cycling.Advanced Bluetooth 5.3 & Multipoint Pairing: The open ear headphone adopts the latest Bluetooth 5.3 chip for more stable connection and faster signal transmission, which can cover a wider range of up to 33 feet and make it easy to set up and connect to different devices. It can improve work efficiency by supporting connecting 2 devices at the same time and offer convenient switching capabilities. Besides Bluetooth headset noise cancellation is widely compatible with Phones/PC/computer/Laptop/tablet etc.Extended 12H Working Time : The wireless headphone with mic has an installed 150 mAh battery, every single full charge can last for 12H continuous playtime and 200H standby time. It supports innovative Type-C fast charging, only take 1.5 hours to fully charge.G9 headset Bluetooth wireless with mic features MFB which is easy to operate such as power on/off, play /pause music, answer/hang up/ reject/redial calls, activate voice assistant, switch between music/game modes.