1. This Bluetooth headset has been fully upgraded, making it more comfortable and powerful to wear. The shiny shape is metal, ergonomically designed, and retractable ear hooks. The 180-degree flip adjustment angle allows the headset to be worn on the right or left ear. It is easy to carry and protect the earphones from scratches. 2. The Bluetooth V5.0 headset is equipped with a CSRCSR noise reduction chip to ensure maximum signal quality and excellent sound quality. If you don't want others to hear you, you can use the mute button to mute the microphone. One touch to activate (Siri) voice assistant and mute. Super strong bluetooth connection signal, 33 feet (10 meters) bluetooth working range. 3. The bluetooth headset is located in the high-definition noise-cancelling microphone, using audio decoding technology, high volume, bass, high-resolution pure sound, makes your music or calls more vivid and greatly enhances the listening experience. Noise-cancelling boom microphones and dynamic speakers pick up your voice clearly. 4. IPX4 waterproof and fearless sports, let you sweat like rain in rainy days and enjoy sports. 5. Long-term standby use Standby time of 200 hours, listening/speaking use time of 19-20 hours, low battery, only 30 minutes to quickly fully charge. Our charging bin configuration allows you to carry it easily, without worrying about power issues, and enjoy a good mood. Specifications Product Model: X01 Ear Mounted Headphones Product weight: about 10g Product color: black, gray, blue Bluetooth version: Bluetooth 5.0 transmission, 10 meters distance Standby time: 200 hours Talk time: about 20 hours Music time: about 19 hours