[Long Battery Life- Up to 16 Hours] Bluetooth headset with mic has a built-in 250mAh rechargeable Li-ion battery with 400 hours of standby time and about 1.5 hours of fast charging via Type-C USB, you can enjoy 16 hours of uninterrupted music/calls. Wireless headphones have multi-function buttons, it not only can easily control play, pause, activate voice assistant and answer, hang up, reject calls, but also can switch two phones with each other calls with each other. [Stable and Powerful Dual Connection] Open ear headphones support dual connections it supports connecting two devices at the same time to ensure that no call is missed. Upgraded version of Bluetooth 5.3, the signal model transmission is stronger, not tangled, more stable connection. Open ear headset widely compatible phones/PC/computer/laptop/tablet/Ipad/watch etc. It is office, meeting, trucker, online teaching/learning, call center, home working the best partner. [Lightweight and Comfortable All Day] Wireless headset adopts lightweight design and comfortable makes it easy to wear for long time without feeling ear pain, which stay firmly in place without moving around or bouncing. Bluetooth headphones with microphone using soft skin-friendly silicone material, good quality and not flimsy. Besides, it is easier to carry, you can hang it around your neck and take it anywhere you want to go when not in use. [Dual Noise-Canceling Mic for HD Calls] Bluetooth earbuds equipped dual noise-canceling microphone with DSP noise reduction technology ensures clear calls and a great music experience. The flexible boom can be rotated 240° to adjust to the best position to better pick up your voice and improve call quality. In addition, Bluetooth headset with microphone has F16.2mm driver speaker, it is the bigger than others and the sound will be more clear and louder. [Air Conduction Open-Ear Headphones] The Bluetooth headset don't need to plug the headphones into your ears compared to traditional headphones, it keeps your ear canal clean and protects your hearing from eardrum damage caused by wearing ordinary headphones for a long time. Bluetooth headphones not cover your ears, which ensures your ears stay open and fully alert while listening to whatever you want for maximum situational awareness, safety and connection.