FCC ID 2A2VU-VFS755
Royyt+ Pro Smart Body Fat Scale
by Shenzhen Subject Technology Co., Ltd.
Grantee Code: 2A2VU Product Code: VFS755
Latest application date: 2026-04-10
FCC ID Device Details
| FCC ID | 2A2VU-VFS755 |
|---|---|
| Mirrors | fcc.id | gov | fccid.ai |
| Grantee Code | 2A2VU |
| Product Code | VFS755 |
| Applicant Business | Shenzhen Subject Technology Co., Ltd. 🇨🇳 |
| Related Domains |  ttsmarket.cc |
| Equipment Class | Royyt+ Pro Smart Body Fat Scale |
| Test Firm | BTF Testing Lab (Shenzhen) Co., Ltd. |
Operating Frequencies
| Frequency Range | Application Purpose | Final Action Date |
|---|---|---|
| 2402-2480 MHz | Original Equipment | 2026-04-10 |
Exhibits
| Document | Type | Available | File |
|---|---|---|---|
| User Manual | Users Manual | 2026-04-10 | PDF 4.2 MB |
| Int photo | Internal Photos | 2026-04-10 | PDF 1.4 MB |
| Ext photo | External Photos | 2026-04-10 | PDF 1.2 MB |
| Label and Location | ID Label/Location Info | 2026-04-10 | PDF 96.9 KB |
| Test setup photo | Test Setup Photos | 2026-04-10 | PDF 274.2 KB |
| Antenna Spec | Test Report | 2026-04-10 | PDF 1.2 MB |
| Appendix-BLE data | Test Report | 2026-04-10 | PDF 5.9 MB |
| Test report | Test Report | 2026-04-10 | PDF 846.8 KB |
| Attestation Statements-Kaspersky | Attestation Statements | 2026-04-10 | PDF 142.5 KB |
| Attestation Statements-Not Covered | Attestation Statements | 2026-04-10 | PDF 91.3 KB |
| US Agent attestation | Attestation Statements | 2026-04-10 | PDF 84.9 KB |
| Confidentiality request | Cover Letter(s) | 2026-04-10 | PDF 93.6 KB |
| Model difference | Cover Letter(s) | 2026-04-10 | PDF 59.9 KB |
| POA | Cover Letter(s) | 2026-04-10 | PDF 88.1 KB |
| RF exposure | RF Exposure Info | 2026-04-10 | PDF 219.8 KB |
| Block Diagram Metadata only | Block Diagram | PDF 223.2 KB | |
| Schematics Metadata only | Schematics | PDF 1.9 MB | |
| Operational Description Metadata only | Operational Description | PDF 63.3 KB |
Application Information
| Application ID | 7WkSAq68wFb/wzc3KlMTow== |
|---|---|
| Final Action Date | 2026-04-10 |
| Application Purpose | Original Equipment |
| Applicant FRN | 0031266000 |
| Model | VFS755 |
| Frequency Range | 2402-2480 MHz |
| Equipment Class | DTS - Digital Transmission System |
| Device Description | Royyt+ Pro Smart Body Fat Scale |
| Responsible Party | Yanfei Sun, Subjectfcc@163.com  , +8618129820148 |
| Non-Technical Contact | Maverick Lim, TTS MARKET INC., Maverick@ttsmarket.cc , (646) 305-2908 |
| Test Firm | Ryan CJ, BTF Testing Lab (Shenzhen) Co., Ltd., Ryan.cj@btf-lab.com  , 86-755-23146130 |
| TCB Email | joe_chew@derycom-us.com  |
| 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 | No |
| 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 |
|---|---|---|
| 7WkSAq68wFb/wzc3KlMTow== | 2026-04-10 | Original Equipment |
Equipment Authorization
| Frequency | Output | Rules |
|---|---|---|
| 2402-2480 MHz | 0.0015 | 15C |
Grants
TCB Grant - Application 7WkSAq68wFb/wzc3KlMTow==
| TCB | GRANT OF EQUIPMENT AUTHORIZATION |
TCB |
| Certification | ||
| Issued Under the Authority of the | ||
| Federal Communications Commission | ||
| By: |
|
DERYCOM CERTIFICATION SERVICES, INC. 1100 Falcon Avenue Glencoe, MN 55336 |
Date of Grant: 04/10/2026 Application Dated: 04/10/2026 |
| Shenzhen Subject Technology Co., Ltd. |
| 705, Building 11, Phase II, Tianan Yungu |
| Industrial Park, Gangtou Community |
| Bantian Sub-District, Longgang District, Shenzhen, China |
| Attention: Yanfei Sun , General Manager |
| 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: | 2A2VU-VFS755 |
| Name of Grantee: | Shenzhen Subject Technology Co., Ltd. |
| Equipment Class: | Digital Transmission System |
| Notes: | Royyt+ Pro Smart Body Fat Scale |
| Grant Notes | FCC Rule Parts | Frequency Range (MHZ) | Output Watts | Frequency Tolerance | Emission Designator |
| 15C | 2402.0 - 2480.0 | 0.0015 |
| Output power listed is conducted power. |