FCC ID 2BSTF-L-SIDEA2031
Wireless Bluetooth Earbuds
by Korllo (shanghai) Technology co., Ltd.
Grantee Code: 2BSTF Product Code: LSIDEA2031
Latest application date: 2025-11-28
FCC ID Device Details
| FCC ID | 2BSTF-L-SIDEA2031 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2BSTF |
| Product Code | LSIDEA2031 |
| Applicant Business | Korllo (shanghai) Technology co., Ltd. 🇨🇳 |
| Equipment Class | Wireless Bluetooth Earbuds |
| Test Firm | SHENZHEN CTA TESTING TECHNOLOGY CO., LTD. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-11-28 |
| 2402-2480 MHz | Original Equipment | 2025-11-28 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2025-11-28 | PDF 786 KB |
| Internal Photos | Internal Photos | 2025-11-28 | PDF 1.8 MB |
| External Photos | External Photos | 2025-11-28 | PDF 903.7 KB |
| Label and lcoation | ID Label/Location Info | 2025-11-28 | PDF 133.2 KB |
| Test Setup Photos | Test Setup Photos | 2025-11-28 | PDF 406.7 KB |
| Antenna specification | Test Report | 2025-11-28 | PDF 672.5 KB |
| CTA25101301501_Test Report-BLE FCC- 1M | Test Report | 2025-11-28 | PDF 4.7 MB |
| CTA25101301502_Test Report-BT FCC - 3DH5 | Test Report | 2025-11-28 | PDF 1.9 MB |
| FCC Appendix RF Test Data for BLE | Test Report | 2025-11-28 | PDF 2.2 MB |
| FCC Appendix RF Test Data for BT_Part1 | Test Report | 2025-11-28 | PDF 6 MB |
| FCC Appendix RF Test Data for BT_Part2 | Test Report | 2025-11-28 | PDF 2.3 MB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2025-11-28 | PDF 154.1 KB |
| US_Agent_2.911(d)(7)-U_V05 | Attestation Statements | 2025-11-28 | PDF 120.6 KB |
| FCC Declaration Letter TWS Left&Right | Cover Letter(s) | 2025-11-28 | PDF 537.8 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2025-11-28 | PDF 140.5 KB |
| CTA25101301503_RF Exposure-info | RF Exposure Info | 2025-11-28 | PDF 654.6 KB |
| Block diagram Metadata only | Block Diagram | PDF 82 KB | |
| schematic Metadata only | Schematics | PDF 121.3 KB | |
| Operation Description Metadata only | Operational Description | PDF 132.9 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 177.4 KB |
Application Information
| Application ID | ZGVPaODfHFWqhoqzgeXZrA== |
|---|---|
| Final Action Date | 2025-11-28 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0037613874 |
| Model | L-SIDEA2031 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Wireless Bluetooth Earbuds |
| Responsible Party | Rich Fei, Jgfei@163.com  , 13537687759 |
| Test Firm | Eric Wang, SHENZHEN CTA TESTING TECHNOLOGY CO., LTD., wangxulai@cta-test.cn  , 86-755-2322-5875 |
| TCB Email | o.kneip@kl-certification.de  |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| Short-Term Confidentiality | No |
| Long-Term Confidentiality | Yes |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| ZGVPaODfHFWqhoqzgeXZrA== | 2025-11-28 | Original Equipment |
| FArapzeBFq6mgEHYWNcZew== | 2025-11-28 | Original Equipment |
Grants
TCB Grant - Application ZGVPaODfHFWqhoqzgeXZrA==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 11/28/2025 Application Dated: 11/28/2025 |
| Korllo (shanghai) Technology co., Ltd. |
| Room 501, Unit 9#, Shishanggu |
| Ding Yuan Road 618, Songjiang, |
| Shanghai,, China |
| Attention: Rich Fei , |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | 2BSTF-L-SIDEA2031 |
| Name of Grantee: | Korllo (shanghai) Technology co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Wireless Bluetooth Earbuds |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0005 |
| Output Power listed is peak conducted. |
TCB Grant - Application FArapzeBFq6mgEHYWNcZew==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
KL-Certification GmbH Heinrich-Hertz-Allee 7 St. Ingbert, 66386 Germany |
Date of Grant: 11/28/2025 Application Dated: 11/28/2025 |
| Korllo (shanghai) Technology co., Ltd. |
| Room 501, Unit 9#, Shishanggu |
| Ding Yuan Road 618, Songjiang, |
| Shanghai,, China |
| Attention: Rich Fei , |
| NOT TRANSFERABLE |
| EQUIPMENT AUTHORIZATION is hereby issued to the named GRANTEE, and is VALID ONLY for the equipment identified hereon for use under the Commission's Rules and Regulations listed below. |
| FCC IDENTIFIER: | 2BSTF-L-SIDEA2031 |
| Name of Grantee: | Korllo (shanghai) Technology co., Ltd. |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Wireless Bluetooth Earbuds |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.001 |
| Output Power listed is peak conducted. |