1. Fast pairing-The use of upgraded chips makes signal transmission smoother, and provides low latency and stable connection to most devices, such as iOS/Android smart phones, tablets, and laptops, at a distance of up to 33 feet, without signal loss or music loss.Stable mobile phone headset. Remove the headset from the charging case, it will automatically turn on the power, and then activate the phone function to search for a connection.2. Dual-microphone noise-canceling headphones-wireless headphones use advanced noise-canceling technology, combining 2 built-in high-definition microphones and high-quality speakers, which can eliminate background noise without missing any single conversation details, and the call sound will be more transparent.3. 60 hours of playback time, with LED charging case-built-in 400mAh capacity charging case, wireless earphones with LED display can clearly display the battery power of the shell.It can not only protect the wireless headset from damage, but also provide 4 charging times for the wireless headset, which is easy to carry and charge the headset at any time.4. Easy switching and handheld dialogue-the headset has on control operations, you can control music playback/pause, previous/next track, answer/reject/end the call or wake up the voice assistant.There is no need to operate these on the phone.The easy-to-reach ons allow you to enjoy true wireless calls. 5. Comfortable fit design-this wireless headset is designed to fit various ear shapes.Flexible rotatable ear hooks and boom microphones can be rotated for a comfortable fit.The angle is adjustable and the wear is stable. Even if worn for a long time, it will not burden the ears.