[Open Comfort] Unlike traditional earphones, this Bluetooth headset with open design does not enter your ears, which is less damaging to hearing than other in-ear/over-ear earbuds. G9 Bluetooth wireless earphones ensure all-day comfort for long-term wear while keeping you informed and connected with colleagues. Not only suitable for office/home, but also suitable for outdoor activities. Keep you safe and worry-free, never miss a friend's greeting[Removable ambient noise cancellation boom microphone] The wireless earphones have an adjustable ambient noise cancellation boom microphone that can be rotated 360° to accurately receive voice and filter surrounding noise for clearer call quality. In addition, the detachable microphone adopts a magnetic design. With the detachable boom microphone, these open earphones can be easily transformed from Bluetooth work earphones to stylish wireless sports earphones. The G9 Bluetooth earphones with microphone have a Φ15.4mm driver speaker, which is larger than other earphones, and the sound is clearer and louder.[Light as a feather, IPX5 waterproof, suitable for sports] The Bluetooth earphones with microphone are very lightweight and will not press on the ears. The open-ear design makes you feel comfortable while working all day, and adopts skin-friendly silicone ear hooks to keep it fixed on your ears. The G9 is very flexible and can be bent 360° without deformation and twisted without breaking. The open-ear neckband makes it easier to carry, such as hanging around your neck. The Bluetooth headset with noise reduction microphone has IPX5 waterproof function, which is very suitable for sports, exercise, running, cycling.[Advanced Bluetooth 5.3 and Multi-point Pairing] The open-ear headset adopts the latest Bluetooth 5.3 chip, which has a more stable connection and faster signal transmission, can cover a wider range of up to 33 feet, and is easy to set up and connect to different devices. It supports connecting 2 devices at the same time and provides a convenient switching function, which can improve work efficiency. In addition, the Bluetooth headset noise reduction function is also widely compatible with mobile phones/PC/computers/laptops/tablets/iPads, etc.[Extended 12-hour working time] The wireless headset with microphone is installed with a 150 mAh battery, which can last for 12 hours of continuous playback time and 200 hours of standby time per full charge. It supports innovative Type-C fast charging, which can be fully charged in just 1.5 hours. The G9 earphones Bluetooth wireless with microphone features MFB, which allows simple operations such as power on/off, play/pause music, answer/end/reject/redial calls, activate voice assistant, switch between music/game modes.