Wireless Bluetooth Headset...

@font-face{
font-family:”Times New Roman”;
}

@font-face{
font-family:”宋体”;
}

@font-face{
font-family:”Calibri”;
}

p.MsoNormal{
mso-style-name:正文;
mso-style-parent:””;
margin:0pt;
margin-bottom:.0001pt;
mso-pagination:none;
text-align:justify;
text-justify:inter-ideograph;
font-family:Calibri;
mso-fareast-font-family:宋体;
mso-bidi-font-family:’Times New Roman’;
font-size:10.5000pt;
mso-font-kerning:1.0000pt;
}

span.msoIns{
mso-style-type:export-only;
mso-style-name:””;
text-decoration:underline;
text-underline:single;
color:blue;
}

span.msoDel{
mso-style-type:export-only;
mso-style-name:””;
text-decoration:line-through;
color:red;
}
@page{mso-page-border-surround-header:no;
mso-page-border-surround-footer:no;}@page Section0{
}
div.Section0{page:Section0;}

Product information:

Bluetooth version: Bluetooth 5.0
Transmit power: 8dBm+/-2dbm
Working frequency band: 2.4G ISM band (2.402-2.480GHZ)
Charging voltage: 5V
Working voltage: 3.7V
Battery specifications: polymer lithium battery (45mAh with protective plate)
Support protocol: A2DP1.3/HFP1.7/HSP1.2/AVRCP 1.6/EDR/AAC
Headphone weight: about 5.0g
Speaker parameters:
Ohm: DCR: 32Ω ± 15% ACR: 32Ω ± 15% ohm
Sensitivity: 99dB±3(at 1.0KHZ) 1mW
Frequency range: 20Hz to 20KHz
Rated output power: 2mW
Maximum output power: 5mW
Speaker outer diameter: Ф10*2.5mm