Xvive U4T9 Wireless In-Ear System with T9 Earbuds, Clear

Here is the complete product description in HTML format with Schema.org markup, including a price, image gallery, specifications table, product description, “Why Buy” section, and FAQ section.
“`html

body {
font-family: ‘Segoe UI’, Roboto, Helvetica, Arial, sans-serif;
background: #f8f9fa;
margin: 0;
padding: 30px 20px;
display: flex;
justify-content: center;
}
.product-card {
max-width: 1100px;
width: 100%;
background: #ffffff;
border-radius: 24px;
box-shadow: 0 12px 30px rgba(0,0,0,0.08);
padding: 30px 35px;
transition: 0.2s;
}
h1 {
font-size: 2.2rem;
font-weight: 600;
margin-top: 0;
margin-bottom: 0.25rem;
color: #1e1e1e;
letter-spacing: -0.02em;
}
.brand-sub {
color: #5a6872;
font-size: 1rem;
font-weight: 400;
margin-bottom: 1.5rem;
display: flex;
align-items: center;
gap: 12px;
}
.brand-sub span {
background: #eef2f5;
padding: 4px 12px;
border-radius: 40px;
font-size: 0.8rem;
font-weight: 500;
color: #1e293b;
}
.price-block {
font-size: 2rem;
font-weight: 700;
color: #0b2b3c;
margin: 12px 0 20px 0;
background: #f2f6f9;
display: inline-block;
padding: 6px 22px;
border-radius: 60px;
letter-spacing: -0.01em;
}
.gallery {
display: flex;
flex-wrap: wrap;
gap: 16px;
margin: 25px 0 30px 0;
}
.gallery img {
max-width: 100%;
height: auto;
border-radius: 20px;
box-shadow: 0 4px 12px rgba(0,0,0,0.04);
transition: 0.2s;
border: 1px solid #eef2f6;
background: #fff;
}
.gallery-main {
flex: 2 1 360px;
}
.gallery-main img {
width: 100%;
max-height: 380px;
object-fit: cover;
}
.gallery-thumbs {
flex: 1 1 160px;
display: flex;
flex-direction: column;
gap: 12px;
}
.gallery-thumbs img {
width: 100%;
height: 110px;
object-fit: cover;
border-radius: 16px;
cursor: default;
}
.desc-section {
margin: 30px 0 20px 0;
line-height: 1.6;