1. FCC ID
  2. 2AVJD
  3. 2AVJD-K521B
  4. External Photos

K521B Wireless earphones External Photos - FCC ID 2AVJD-K521B

FCC ID 2AVJD-K521B

External Photos

Wireless earphones

by Shenzhen Ruianyuan Electronic Technology Co., Ltd.

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Document Details

FCC ID2AVJD-K521B
Document ID8816378
Document TypeExternal Photos
DescriptionExternal Photos
Document TitleHD 271 S1
ApplicantShenzhen Ruianyuan Electronic Technology Co., Ltd.
Equipment ClassWireless earphones
Product CodeK521B
Application ID2Hdma5vNLlJtBcs+9GZ1AQ==
Application PurposeOriginal Equipment
Application Date2025-11-27
Frequency Range2402-2480 MHz
FRN0029089190
Test FirmDongguan Yaxu (AiT) Technology Limited
Certified ByMeizhen Lin Manager
Short-Term ConfidentialityNo
Long-Term ConfidentialityNo
Modular EquipmentDoes not apply
Composite DeviceNo
Submitted2025-11-27
Available2025-11-27
Created2025-11-25
Modified2025-11-25
Pages10
File TypeAdobe Acrobat PDF
File Size2674580
File SHA-256430b034cb9ff3e07f15dbbdbc24e21f02d7c8e48b3b53d4e11132eae13d4ce96
PDF Metadata AuthorAllo
PDF Metadata ProducerWPS 文字
FCC.gov SourcesFCC.gov 8816378

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