Detailed Product Description 1,Type:Computer Bluetooth Headset With Microphone 2,Frequency Table:2.4026GHz-2.480GHz3,Calling Time:8hrs4, ... Time:160hrs5,Battery:180mAh6,Distance:within 10m7,Speaker Diameter:30mm8,Microphone:6*5mm-42*B+3dB9,You can use it to ... for the marketAccessory:1. user manual 2. USB cable 3.bluetooth dongle