| Brand | Device Name | Model | Type | Certification Date |
|---|---|---|---|---|
| Earfun Technology (HK) Limited | Wireless Headphones | K4 | FCC ID  |
2025-03-06 |
FCC Application Details
| Equipment | Wireless Headphones |
| FRN | 0029085636 |
| Grantee Code | 2AVIT |
| Product Code | -K4 |
| Applicant Business | Earfun Technology (HK) Limited |
| Business Address | FLAT/RM A 9F,SILVERCORP INTERNATIONAL TOWER 707-713 NATHAN ROAD MONGKOK KL, HONG KONG, N/A Hong Kong |
| TCB Scope | A4: UNII devices & low power transmitters using spread spectrum techniques |
| TCB Email | [email protected] |
| Applicant | Rocky Deng – |
| Applicant Phone | |
| Applicant Fax | +8618018710764 |
| Applicant Email | [email protected] |
| Applicant MailStop | |
| Test Firm | Shenzhen Microtest Co., Ltd. |
| Test Firm Contact | Phoebe Cui |
| Test Firm Phone | |
| Test Firm Fax | |
| Test Firm Email | [email protected] |
| Certified By | Rocky Deng – Manager |
Further Details May Be Available From: fcc.id/2AVITK4 or 
fcc.report/FCC-ID/2AVITK4
| Description | Exhibit Type | File Type | Display Type | File Size | Submission Date | Date Available |
|---|---|---|---|---|---|---|
 Document 8097771 Mirror: FCCID.io - 8097771 Test report 2 | Test Report | Adobe Acrobat PDF | 2.75 M | 2025-03-06 | 2025-03-06 | |
 Document 8097770 Mirror: FCCID.io - 8097770 Confidentiality | Cover Letter(s) | Adobe Acrobat PDF | 108.09 K | 2025-03-06 | 2025-03-06 | |
 Document 8097769 Mirror: FCCID.io - 8097769 Letter Authorization | Cover Letter(s) | Adobe Acrobat PDF | 83.96 K | 2025-03-06 | 2025-03-06 | |
 Document 8097746 Mirror: FCCID.io - 8097746 User manual | Users Manual | Adobe Acrobat PDF | 1.75 M | 2025-03-06 | 2025-03-06 | |
 Document 8097745 Mirror: FCCID.io - 8097745 Antenna Specification | Test Report | Adobe Acrobat PDF | 1.58 M | 2025-03-06 | 2025-03-06 | |
 Document 8097744 Mirror: FCCID.io - 8097744 Test report 1 | Test Report | Adobe Acrobat PDF | 3.69 M | 2025-03-06 | 2025-03-06 | |
 Document 8097743 Mirror: FCCID.io - 8097743 Test Setup photo | Test Setup Photos | Adobe Acrobat PDF | 139.82 K | 2025-03-06 | 2025-03-06 | |
 Document 8097742 Mirror: FCCID.io - 8097742 RF Exposure | RF Exposure Info | Adobe Acrobat PDF | 849.07 K | 2025-03-06 | 2025-03-06 | |
 Document 8097738 Mirror: FCCID.io - 8097738 Internal photos | Internal Photos | Adobe Acrobat PDF | 588.96 K | 2025-03-06 | 2025-03-06 | |
 Document 8097737 Mirror: FCCID.io - 8097737 External photos | External Photos | Adobe Acrobat PDF | 373.68 K | 2025-03-06 | 2025-03-06 | |
 Document 8097736 Mirror: FCCID.io - 8097736 ID label and location | ID Label/Location Info | Adobe Acrobat PDF | 555.56 K | 2025-03-06 | 2025-03-06 | |
 Document 8097735 Mirror: FCCID.io - 8097735 Attestation_Statement | Attestation Statements | Adobe Acrobat PDF | 52.6 K | 2025-03-06 | 2025-03-06 | |
 Document 8097734 Mirror: FCCID.io - 8097734 US_Agent | Attestation Statements | Adobe Acrobat PDF | 24.26 K | 2025-03-06 | 2025-03-06 | |
Schematics | Schematics | Adobe Acrobat PDF | 174.02 K | 2025-03-06 | ||
Operational Description | Operational Description | Adobe Acrobat PDF | 175.16 K | 2025-03-06 | ||
Block Diagram | Block Diagram | Adobe Acrobat PDF | 59.06 K | 2025-03-06 | ||
US_Agent | Attestation Statements | Adobe Acrobat PDF | 24.26 K | 2025-03-06 | 2025-03-06 | |
Attestation_Statement | Attestation Statements | Adobe Acrobat PDF | 52.6 K | 2025-03-06 | 2025-03-06 | |
Confidentiality | Cover Letter(s) | Adobe Acrobat PDF | 108.09 K | 2025-03-06 | 2025-03-06 | |
Letter Authorization | Cover Letter(s) | Adobe Acrobat PDF | 83.96 K | 2025-03-06 | 2025-03-06 | |
External photos | External Photos | Adobe Acrobat PDF | 373.68 K | 2025-03-06 | 2025-03-06 | |
ID label and location | ID Label/Location Info | Adobe Acrobat PDF | 555.56 K | 2025-03-06 | 2025-03-06 | |
Internal photos | Internal Photos | Adobe Acrobat PDF | 588.96 K | 2025-03-06 | 2025-03-06 | |
RF Exposure | RF Exposure Info | Adobe Acrobat PDF | 849.07 K | 2025-03-06 | 2025-03-06 | |
Test report 2 | Test Report | Adobe Acrobat PDF | 2.75 M | 2025-03-06 | 2025-03-06 | |
Test report 1 | Test Report | Adobe Acrobat PDF | 3.69 M | 2025-03-06 | 2025-03-06 | |
Antenna Specification | Test Report | Adobe Acrobat PDF | 1.58 M | 2025-03-06 | 2025-03-06 | |
Test Setup photo | Test Setup Photos | Adobe Acrobat PDF | 139.82 K | 2025-03-06 | 2025-03-06 | |
User manual | Users Manual | Adobe Acrobat PDF | 1.75 M | 2025-03-06 | 2025-03-06 |
Related FCC IDs:
- 2AVIT-K4 - Earfun Technology (HK) Limited Wireless Headphones [-K4]