Product details
- Comparing powered neck-layer specifications.
- Planning winter clothing after obtaining fit and heat-use instructions.
- Checking compatible USB power requirements before purchase.
- One USB heating neck warmer listed.
- Power bank/battery pack excluded; mains adapter and additional cables not confirmed.
Which color is offered?
Black.
What settings are listed?
42°C green, 48°C blue and 55°C red; accuracy is unverified.
What size and weight are listed?
26 × 14cm and approximately 90g.
What materials are described?
Polar fleece, polyester and acrylic, plus a carbon-fiber heating sheet.
Is a power bank included?
No. A power bank/battery pack is explicitly excluded.
Does it contain a rechargeable battery?
An internal battery is not established by the source.
Can it be machine washed?
The source claims this but supplies no complete validated procedure; obtain actual manufacturer care instructions first.
How long does heat last?
No verified runtime or defined power-source specification is supplied.