FCC ID 2A52M-B78
Portable Karaoke Speaker
by Zhuji Zhongai Electronic Commerce Co., Ltd
Grantee Code: 2A52M Product Code: B78
Latest application date: 2025-06-04
FCC ID Device Details
| FCC ID | 2A52M-B78 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A52M |
| Product Code | B78 |
| Applicant Business | Zhuji Zhongai Electronic Commerce Co., Ltd 🇨🇳 |
| Equipment Class | Portable Karaoke Speaker |
| Test Firm | Shenzhen LCS Compliance Testing Laboratory Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2025-06-04 |
| 2402-2480 MHz | Original Equipment | 2025-06-04 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User manual | Users Manual | 2025-06-04 | PDF 821.2 KB |
| Internal Photos | Internal Photos | 2025-06-04 | PDF 5.1 MB |
| External Photos | External Photos | 2025-06-04 | PDF 4.5 MB |
| Label and Location | ID Label/Location Info | 2025-06-04 | PDF 770.6 KB |
| Test Setup Photos | Test Setup Photos | 2025-06-04 | PDF 2.4 MB |
| Antenna Specification | Test Report | 2025-06-04 | PDF 764.5 KB |
| Appendix A Test Data for BT FCC ID_Part1 | Test Report | 2025-06-04 | PDF 5.8 MB |
| Appendix A Test Data for BT FCC ID_Part2 | Test Report | 2025-06-04 | PDF 3.6 MB |
| Appendix B Test Data for BT LE FCC ID | Test Report | 2025-06-04 | PDF 2.7 MB |
| LCSA04215022EA_BT | Test Report | 2025-06-04 | PDF 1.4 MB |
| LCSA04215022EB_BT LE | Test Report | 2025-06-04 | PDF 1.6 MB |
| USA-CoveredEquipmentLetter-Combined_V1.1 | Attestation Statements | 2025-06-04 | PDF 119.6 KB |
| USA-LocalRepLetter_V1.1-2A52M-B78 | Attestation Statements | 2025-06-04 | PDF 85.1 KB |
| Declaration Letter of Model Difference | Cover Letter(s) | 2025-06-04 | PDF 83.5 KB |
| USA-ConfidentialityRequestLetter_V0.1 | Cover Letter(s) | 2025-06-04 | PDF 104 KB |
| LCSA04215022EC_RF Exposure Evaluation_FCC | RF Exposure Info | 2025-06-04 | PDF 524.2 KB |
| Block diagram Metadata only | Block Diagram | PDF 249.7 KB | |
| Schematic Metadata only | Schematics | PDF 182.3 KB | |
| Operation Description Metadata only | Operational Description | PDF 72.5 KB | |
| USA-DueDigilenceLetter_V0.1 Metadata only | Operational Description | PDF 78.8 KB |
Application Information
| Application ID | B7nSPCDRaoF89kIyBkYS3A== |
|---|---|
| Final Action Date | 2025-06-04 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0032173197 |
| Model | B78 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Portable Karaoke Speaker |
| Responsible Party | zhongjiang wang, wangzhongjiang518@163.com  , +8618159386822 |
| Test Firm | Gavin Liang, Shenzhen LCS Compliance Testing Laboratory Ltd., gavin.liang@lcs-cert.com  , 0755-82591330 |
| 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 |
| Grant Deferral | No |
| Modular Equipment | Does not apply |
| Composite Device | Yes |
| Composite Part | No |
| Cognitive Radio | No |
| Authorization Waiver | No |
| Authorization Waiver Approved | No |
| Section 5301 Certification | Yes |
| Related OET Knowledge DataBase Inquiry | No |
| Grant Comments | Output Power listed is peak conducted. |
Applications
| Application ID | Date | Purpose |
|---|---|---|
| B7nSPCDRaoF89kIyBkYS3A== | 2025-06-04 | Original Equipment |
| 8ChnrJTQpLvdR9RfSEHu6Q== | 2025-06-04 | Original Equipment |
Equipment Authorization
| Frequency | Output |
|---|---|
| 2402-2480 MHz | 0.0010000 |
| 2402-2480 MHz | 0.0008000 |
Grants
TCB Grant - Application B7nSPCDRaoF89kIyBkYS3A==
| 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: 06/04/2025 Application Dated: 06/04/2025 |
| Zhuji Zhongai Electronic Commerce Co., Ltd |
| NO.108, jinjia Zhushan community, Datang street, |
| Zhuji City, Zhejiang Province, 311801 China |
| Attention: zhongjiang wang , |
| 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: | 2A52M-B78 |
| Name of Grantee: | Zhuji Zhongai Electronic Commerce Co., Ltd |
| Equipment Class: | Digital Transmission System |
| Notes: | Portable Karaoke Speaker |
| 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. |
TCB Grant - Application 8ChnrJTQpLvdR9RfSEHu6Q==
| 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: 06/04/2025 Application Dated: 06/04/2025 |
| Zhuji Zhongai Electronic Commerce Co., Ltd |
| NO.108, jinjia Zhushan community, Datang street, |
| Zhuji City, Zhejiang Province, 311801 China |
| Attention: zhongjiang wang , |
| 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: | 2A52M-B78 |
| Name of Grantee: | Zhuji Zhongai Electronic Commerce Co., Ltd |
| Equipment Class: | Part 15 Spread Spectrum Transmitter |
| Notes: | Portable Karaoke Speaker |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0008 |
| Output Power listed is peak conducted. |