Features:<br />BT5.0 technology delivers a more stable and faster wireless connection to your device, let you enjoy stable calls and beautiful music.<br />Designed with a soft, flexible, and secure-fit ear hook, 180 °rotation, fitting your ears without falling out even for intense workouts, ensure unmatched comfort and stability when you move.<br />Built-in high-definition microphone, CVC intelligent noise reduction, reduce the interference during the call, deeply reduce the noise, and make the call as clear as an interview.<br />Built-in 200mAh rechargeable battery, fully charged up to 18 hours of music playback, 20 hours of talk time, let you enjoy beautiful music and stable calls.<br />Unassailable high-fidelity sound: wireless headphones provide powerful, balanced stereo and dynamic range, providing an incredible listening experience.<br/>Specification:<br />Item: Business Headset<br />Model: X20<br />BT: V 5.0<br />Distance: 10m<br />Material: ABS<br />Color: Black,Red,Green (Optional)<br />Charge Time: 2 hours<br />Music time: 18 hours<br />Talk time: 20 hours<br />Standby time: 100 days<br />Battery: 200mAh<br />Frequency Response Range: 20Hz - 20KHz<br />Package Size: 16*9.5*2.7cm/6.3*3.74*1.06in<br />Package Weight: 48g/1.69oz<br/>Package List:<br />1 * Business Headset<br />1 * USB Cable