Features:<br />Adopt BT4.1 chip, stable connection, low latency, powerful performance.<br />Clip type design, free your hands, safer to use when driving.<br />Scalable design, the length can be adjusted, one key to control. You can easily answer/hang up or adjust the volume, more convenient to use.<br />The built-in noise reduction microphone can effectively eliminate ambient noise, clear call.<br />Incoming call vibration function, no need to worry about missing calls even in noisy outdoor environments.<br />Built-in polymer lithium battery, long endurance time.<br/>Specification:<br />Type: Business BT headphone<br />Color: Black/Blue/Silver/Rose Red(optional)<br />BT version: V4.1<br />Transmission distance: 10m<br />Transmission frequency: 2.4GHz<br />Call time: About 6 hours<br />Music time: About 5 hours<br />Charging time: ≤2 hours<br />Battery capacity: 90mAh<br />Charging voltage: DC 5V<br />Item size: 6.6 * 2.6 * 2.4cm /2.6 * 1.02 * 0.94in<br />Item weight: Approx. 16.5g /0.58oz<br/>Packing list:<br />1 * Headphone<br />1 * Charging cable<br />1 * Pair of earplugs<br />1 * User manual