Detailed Description: Hands-free calls and premium sound quality: The Bluetooth hands-free headset uses Bluetooth 5.1 chip technology to provide crystal clear sound and a Provide a stable connection so you can hear crystal clear calls as if you were talking to someone face-to-face. Face. LED CHARGING CASE AND 100 HOURS PLAYTIME: The earphones with microphone come with a 500mAh rechargeable battery charging case, which can be fully charged in 1.5 hours can be. Comes with a Type-C charging cable. The headset phone can be used continuously for about 100 hours with the charging case, and also provides 7-8 charging times for the wireless headset. In-Ear Comfort Fit Design: In-ear design fits left/right ear more comfortably. The flexible earhook rotates 180 degrees vertically and 360 degrees horizontally for a comfortable fit. This Bluetooth headset is lightweight and comfortable to wear for hours. Mute function and activate Siri: Bluetooth headset phone supports voice assistant. You can answer/reject incoming calls and mute the Bluetooth headset. Easily mute/unmute with one touch of the mute button. CONNECT TWO DEVICES: This bluetooth phone headset can also connect two devices at the same time, making your life and your work stay separate. Ideal for office environments and driving. Play or pause music, answer/hang up/reject calls with one touch. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.