Retractable pull line: the earphone features a retractable pull line, making it easy to adjust the length to suit your needs and providing a -free experience. LCD display: real-time display of power, connection status, playback mode and other information, to easily check the remaining power, at a glance, convenient and practical. Clip-on design for business: the clip-on design makes it convenient to attach the headset to your clothes, perfect for professionals who are always . Intelligent high definition call noise reduction: with advanced noise reduction technology, effectively filter out ambient noise, to clear and smooth calls. 20 minutes of fast charging, 20 hours of listening: supports fast charging, 20 minutes of charging can be 20 hours of listening, to meet the needs of daily use. Humanized design: headset vibration reminds you of an incoming call and voice transmission of the incoming call number, to avoid missing important calls. Color: Black Material: ABS Package Contents: 1 * Bluetooth headset Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.