2BUMR-SN19ABL4Sauna controller

SN19 series thermostat Sauna controller operating instruction SN19-series thermostat user manual SN1 The SN19 series temperature controllers are designed for the intelligent temperature control of sauna rooms, steam rooms, yoga studios, and other product systems. They can meet users' needs for setting temperatu- re, timing, enjoying music, listening to radio, and more. The operation procedure can be modified free of charge accor- ding to customer needs. I. Function Introduction SN19-series temperature controllers are divided into SN-19A button version and SN-19C touch version. They can control heating temperature, time, and inner and outer lights; they have Bluetooth function (Bluetooth version), MP3 playback function, and radio function. operational principle ： The temperature adjustment range and heating time can be set before leaving the factory according to customer requirements, and users can only adjust within this range. After setting the time and temperature, the thermostat starts working, and the controller will automatically shut down when the set time is reached. When the thermostat detects that the room temperature or the temperature of the electric heating film reaches the set temperature, the relay contact is broken and the heating stops; when the room temperature drops below the return temperature, the relay contact is closed and the heating starts. The cycle is executed to achieve the purpose of constant temperature. functional characteristics ： High performance industrial grade MCU is adopted. It has high anti- interference performance and can work stably and reliably under various harsh working conditions The large screen LCD displays a blue screen, which is high-grade and elegant Temperature upper and lower limits are preset, and the ambient temperature is detected and controlled in real time Temperature information setting, query function Time setting, display function Radio function Bluetooth capability (Bluetooth version) MP3 function, can be inserted SD card and U disk, to achieve music playback function High fidelity dedicated power amplifier, dual power supply. 2. Technical parameters Rated input voltage: 220VAC Temperature control accuracy: ±0 .1°C Temperature setting range: 1°C~65°C, step 1°C (customizable) Set the time range: 1~99 minutes, step 1 minute (customizable) Resolution: 1°C Working temperature: -10°C ~ 75°C Maximum load power: 15KW (customizable according to customer requirements) 3. Key description The memory function of time regulation can be customized. These two keys are used as selection keys after pressing the [FM] or [MP3] keys to switch between the previous and next music, and for changing channels when using a radio. Press this button to enter the MP3 music playback state of the U disk. If Bluetooth is open, press this button to turn off Bluetooth. If the U disk is normal, it will display the total number of tracks in the U disk and the current track number. After 3 seconds, it will return to the sauna state. 5. [Radio] button Press the [radio] button to enter the radio state, press the [temperatu- re+] and [temperature-] buttons to select the channel, and press the [time+] and [time-] buttons to adjust the volume. If you think there are not enough channels or are not clear, long press the [radio] button to search for channels. After searching, select the channel to play. The antenna of the radio is very important, should be extended and placed in a space without shielding, otherwise the channel reception will be affected or the noise will increase. 6. [Internal Light] Key Turn the indoor light on or off. Press the indoor light on, and press the indoor light off. The internal lamp can work independently and can still be operated without turning off the machine. 7. [External lamp] Key Turn the outdoor lights on or off. Press the outdoor light on button and press the outdoor light off button. The external lamp can work independently and can still be operated without turning off. 8. [Bluetooth] Key (Bluetooth version) Turn Bluetooth on or off. Press this button to start Bluetooth. You can connect to Bluetooth through your mobile phone. After turning on Bluetooth, the Bluetooth indicator light will be on. When bluetooth is not connected, the light will flash fast, and once bluetooth connection is successful, it will flash slowly. After connecting to Bluetooth, the control is carried out by the connected device. The pause and volume buttons on the panel are not controlled by Bluetooth. Press the button again to turn off Bluetooth 9. [Color light cycle/color light off] key Press this key to enter the cycle color change state, 10 seconds to change a color, press again to turn off the color light. 10. [Color light switch] key Press this button once and the lights change to a different color. Function operation 1. Set the temperature When the machine is turned on, it will display the set temperature for 3 seconds. If the preset temperature is not suitable for the user's needs, the user can set it through [temperature+] [temperature-]. 2. set-up time If you need to adjust the time, you can use the [Time+] and [Time-] keys to adjust. 3. MP3 music First, insert the U disk into the USB port, press the [MP3] key and select the MP3 mode. If the U disk is inserted before starting up, press MP3 to play directly. Use the [Previous] and [Next] keys to select songs, and use the [Volume+] and [Volume-] keys to adjust the volume. If the display shows "- -", it means that the U disk is not inserted properly, or the U disk is not compatible. You can disconnect the power supply and restart it. (Note: Do not turn off the computer with the power switch, but disconnect the power supply, such as cutting off the air switch, or unplug the power plug.) 4. Bluetooth (Bluetooth version) Press the [Bluetooth] button to enable the Bluetooth function. At this time, the Bluetooth indicator light above will be lit and display according to the actual status. When no connection is …

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Konjuze LLC 5900 Balcones Drive Ste 100, Austin, Texas 78731 US Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 2026/01/28 U.S. Agent Designation Konjuze LLC acknowledges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: 2BUMR-SN19ABL4): Name and company of U.S. agent: DAME INC Physical U.S. address of agent: 19 Preston St, Unit 1, Goffstown NH 03045 NH, NH 3045 United States FRN of U.S. agent: 0036816189 Email address of U.S. agent: [email protected] DAME INC acknowledges their obligation to accept service of process on behalf of Konjuze LLC Konjuze LLC with the FRN [0037935186] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanently terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(d)(7). The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. An expiration date for this letter does not exist. Sincerely, Signature Kunze Kevin manager Konjuze LLC Signature Liangshu Zhang manager DAME INC 48_[mo del] US_Agent_2.911(d)(7) - U, V0 5

FCC ID: 2BUMR-SN19ABL4 External Photos of the EUT FCC ID: 2BUMR-SN19ABL4 FCC ID: 2BUMR-SN19ABL4

Label and Location Size: L: 2.0cm*W: 1.0cm Label and Location FCC ID : 2BUMR-SN19ABL4

FCC ID: 2BUMR-SN19ABL4 Internal Photos of the EUT FCC ID: 2BUMR-SN19ABL4 BT ANT

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn RF Exposure evaluation Report Reference No. ..................... : FCC ID............................................. : CTA26011901502 2BUMR-SN19ABL4 Compiled by ( position+printed name+signature) . : File administrators Zoey Cao Supervised by ( position+printed name+signature) . : Project Engineer Ace Chai Approved by ( position+printed name+signature) . : RF Manager Eric Wang Date of issue .................................... : Jan. 23, 2026 Testing Laboratory Name .............. : Shenzhen CTA Testing Technology Co., Ltd. Address............................................ : Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name ............................ : Konjuze LLC Address............................................ : 5900 Balcones Drive Ste 100, Austin, TX 78731 Standard ........................................... : 47CFR §1.1310 47CFR §2.1093 KDB447498 D01 General RF Exposure Guidance v06 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purpses as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Test item description ..................... : Sauna controller Trade Mark ....................................... : N/A Manufacturer .................................... : Cassina Health Technology (suzhou) Co., Ltd. Model/Type reference ...................... : SN19ABL4 Listed Models ................................... : A34V02 Rating ............................................... : DC 12.0V From Control Box Result ............................................... : PASS Report No.: CTA26011901502 Page 2 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Sauna controller Model /Type : SN19ABL4 Listed Models : A34V02 Model difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. Applicant : Konjuze LLC Address : 5900 Balcones Drive Ste 100, Austin, TX 78731 Manufacturer : Cassina Health Technology (suzhou) Co., Ltd. Address : Marketing Center: 5th Floor, Building 1, No. 700 Yupan Road, Weitang Town, Xiangcheng District, Suzhou City, Jiangsu Province, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26011901502 Page 3 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ............................................................................................................ 4 2 SUMMARY .......................................................................................................................... 5 2.1 General Remarks ..................................................................................................... 5 2.2 Product Description ................................................................................................. 5 2.3 Special Accessories ................................................................................................. 5 2.4 Modifications ............................................................................................................ 5 3 TEST ENVIRONMENT ....................................................................................................... 6 3.1 Address of the test laboratory .................................................................................. 6 3.2 Test Facility .............................................................................................................. 6 3.3 Statement of the measurement uncertainty ............................................................. 6 4 Test limit .............................................................................................................................. 7 4.1 Requirement ............................................................................................................ 7 4.2 Conducted Power Results ....................................................................................... 7 4.3 Manufacturing tolerance .......................................................................................... 7 4.4 Evaluation Result ..................................................................................................... 8 4.5 Simultaneous Transmission for SAR Exclusion ...................................................... 8 5 Conclusion ........................................................................................................................... 8 Report No.: CTA26011901502 Page 4 of 8 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn 1…

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Inverted F Antenna Specification Summary ANT SPECITEM 2.4G ANTModel Name VerticalHorizontal 2500MHz2400MHz2500MHz2400MHz Center Frequency -1.86-2.46-5.25-0.58-0.76-1.26 -0.58dBiMAX. Gain Horizontal and VerticalPolarization Azimuth Beam Pattern Omni-directional 50 OhmImpedance 38.20mmAntenna Length Manufacture ZHUHAI JIELI TECHNOLOGY CO.,LTD Antenna Photo & Length (mm) Address No. 333 Kexing Road, Xiangzhou District, Zhuhai City 2450MHz2450MHz Horizontal: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -40 Scale: 5/div Gain(dBi) Frequency (MHz) Max Min Avg 2400 -1.26174 -30.0801 -7.18716 2450 -0.765802 -36.5604 -7.48023 2500 -0.585582 -22.0315 -6.59127 Vertical: 2400 MHz 2450 MHz 2500 MHz Power (dBm) Max: 0 Min: -30 Scale: 5/div Gain(dBi) Frequency (MHz) Max Min Avg 2400 -5.2537 -22.1424 -12.4294 2450 -2.4652 -24.5837 -10.4702 2500 -1.86120 -29.5214 -9.20432 ANT Test Labs：Attestation of Global Compliance Co., Ltd.

Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn FCC PART 15 SUBPART C TEST REPORT FCC PART 15.247 Report Reference No. .................. : FCC ID. ......................................... : CTA26011901501 2BUMR-SN19ABL4 Compiled by ( position+printed name+signature) : File administrators Zoey Cao Supervised by ( position+printed name+signature) : Project Engineer Ace Chai Approved by ( position+printed name+signature) : RF Manager Eric Wang Date of issue ...................................: Jan. 23, 2026 Testing Laboratory Name .............: Shenzhen CTA Testing Technology Co., Ltd. Address ..........................................: Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Applicant’s name...........................: Konjuze LLC Address ...........................................: 5900 Balcones Drive Ste 100, Austin, TX 78731 Test specification ......................... : Standard ..........................................: FCC Part 15.247 Shenzhen CTA Testing Technology Co., Ltd. All rights reserved. This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen CTA Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen CTA Testing Technology Co., Ltd. takes no responsibility for and will not assume liability for damages resulting from the reader's interpretation of the reproduced material due to its placement and context. Equipment description ................ : Sauna controller Trade Mark ......................................: N/A Manufacturer ...................................: Cassina Health Technology (suzhou) Co., Ltd. Model/Type reference .....................: SN19ABL4 Listed Models ..................................: A34V02 Modulation ......................................: GFSK Frequency .......................................: From 2402MHz to 2480MHz Ratings ............................................: DC 12.0V From Control Box Result ..............................................: PASS Report No.: CTA26011901501 Page 2 of 37 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn T E S T R E P O R T Equipment under Test : Sauna controller Model /Type : SN19ABL4 Listed Models : A34V02 Model difference : The PCB board, circuit, structure and internal of these models are the same, Only model number and colour is different for these model. Applicant : Konjuze LLC Address : 5900 Balcones Drive Ste 100, Austin, TX 78731 Manufacturer : Cassina Health Technology (suzhou) Co., Ltd. Address : Marketing Center: 5th Floor, Building 1, No. 700 Yupan Road, Weitang Town, Xiangcheng District, Suzhou City, Jiangsu Province, China Test Result: PASS The test report merely corresponds to the test sample. It is not permitted to copy extracts of these test result without the written permission of the test laboratory. Report No.: CTA26011901501 Page 3 of 37 Shenzhen CTA Testing Technology Co., Ltd. Room 106, Building 1, Yibaolai Industrial Park, Qiaotou Community, Fuhai Street, Bao’an District, Shenzhen, China Tel:+86-755 2322 5875 E-mail:[email protected] Web:http://www.cta-test.cn Contents 1 TEST STANDARDS ...................................................................................................................................... 4 2 SUMMARY .................................................................................................................................................... 5 2.1 General Remarks .............................................................................................................................. 5 2.2 Product Description* .......................................................................................................................... 5 2.3 Equipment Under Test ....................................................................................................................... 5 2.4 Short description of the Equipment under Test (EUT) ...................................................................... 5 2.5 EUT configuration .............................................................................................................................. 5 2.6 EUT operation mode ......................................................................................................................... 5 2.7 Block Diagram of Test Setup ............................................................................................................. 6 2.8 Related Submittal(s) / Grant (s) ......................................................................................................... 6 2.9 Modifications ...................................................................................................................................... 6 3 TEST ENVIRONMENT ................................................................................................................................. 7 3.1 Address of the test laboratory ........................................................................................................... 7 3.2 Test Facility........................................................................................................................................ 7 3.3 Environmental conditions .................................................................................................................. 7 3.4 Summary of measurement results ......................…

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1 FCC Appendix RF Test Data for BLE FCC ID : 2BUMR-SN19ABL4 Company : Konjuze LLC EUT : Sauna controller Model Number : SN19ABL4 Report No. : CTA26011901501 Reviewed By : Eric Wang 2 Appendix A: DTS Bandwidth Test Result TestMode Antenna Freq(MHz) DTS BW [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 0.644 2401.696 2402.340 0.5 PASS 2440 0.644 2439.696 2440.340 0.5 PASS 2480 0.644 2479.696 2480.340 0.5 PASS 3 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 4 5 Appendix B: Occupied Channel Bandwidth Test Result TestMode Antenna Freq(MHz) OCB [MHz] FL[MHz] FH[MHz] Limit[MHz] Verdict BLE_1M Ant1 2402 1.0081 2401.5222 2402.5303 --- --- 2440 1.0035 2439.5220 2440.5255 --- --- 2480 1.0044 2479.5212 2480.5256 --- --- 6 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 7 8 Appendix C: Maximum conducted output power Test Result Peak TestMode Antenna Freq(MHz) Conducted Peak Powert[dBm] Conducted Limit[dBm] Verdict BLE_1M Ant1 2402 0.14 ≤30 PASS 2440 -0.45 ≤30 PASS 2480 -0.70 ≤30 PASS 9 Appendix D: Maximum power spectral density Test Result TestMode Antenna Freq(MHz) Result[dBm/3kHz] Limit[dBm/3kHz] Verdict BLE_1M Ant1 2402 -15.47 ≤8.00 PASS 2440 -16.04 ≤8.00 PASS 2480 -16.76 ≤8.00 PASS 10 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 11 12 Appendix E: Band edge measurements Test Result TestMode Antenna ChName Freq(MHz) RefLevel[dBm] Result[dBm] Limit[dBm] Verdict BLE_1M Ant1 Low 2402 -0.39 -50.84 ≤-20.39 PASS High 2480 -1.18 -53 ≤-21.18 PASS 13 Test Graphs BLE_1M_Ant1_Low_2402 BLE_1M_Ant1_High_2480 14 Appendix F: Conducted Spurious Emission Test Result TestMode Antenna Freq(MHz) FreqRange [MHz] RefLevel [dBm] Result[dBm] Limit[dBm] Verdict BLE_1M Ant1 2402 Reference -1.64 -1.64 --- PASS 30~1000 -1.64 -68.6 ≤-21.64 PASS 1000~26500 -1.64 -41.82 ≤-21.64 PASS 2440 Reference -1.91 -1.91 --- PASS 30~1000 -1.91 -68.11 ≤-21.91 PASS 1000~26500 -1.91 -42.49 ≤-21.91 PASS 2480 Reference -0.93 -0.93 --- PASS 30~1000 -0.93 -67.92 ≤-20.93 PASS 1000~26500 -0.93 -42.03 ≤-20.93 PASS 15 Test Graphs BLE_1M_Ant1_2402_0~Reference BLE_1M_Ant1_2402_30~1000 BLE_1M_Ant1_2402_1000~26500 16 BLE_1M_Ant1_2440_0~Reference BLE_1M_Ant1_2440_30~1000 17 BLE_1M_Ant1_2440_1000~26500 BLE_1M_Ant1_2480_0~Reference BLE_1M_Ant1_2480_30~1000 18 BLE_1M_Ant1_2480_1000~26500 19 Appendix G: Duty Cycle Test Result TestMode Antenna Freq(MHz) ON Time [ms] Period [ms] X DC [%] xFactor Limit Verdict BLE_1M Ant1 2402 0.41 0.62 0.6613 66.13 1.80 --- --- 2440 0.41 0.62 0.6613 66.13 1.80 --- --- 2480 0.41 0.62 0.6613 66.13 1.80 --- --- 20 Test Graphs BLE_1M_Ant1_2402 BLE_1M_Ant1_2440 BLE_1M_Ant1_2480 21 22 Appendix H: Emissions in Restricted Bands Test Result TestMod e Antenn a ChNam e Freq(MH z) Detector Freq [MHz] Result [dBm] Gain [dB] DC Factor [dB] Result [dBuV/m ] Limit [dBuV/m] Verdict BLE_1M Ant1 Low 2402 AV 2310.000 -60.09 2.00 1.80 38.91 ≤54 PASS AV 2379.800 -58.81 2.00 1.80 40.19 ≤54 PASS AV 2390.000 -59.68 2.00 1.80 39.32 ≤54 PASS Peak 2310.000 -52.06 2.00 0.00 45.14 ≤74 PASS Peak 2316.695 -48.57 2.00 0.00 48.63 ≤74 PASS Peak 2390.000 -50.51 2.00 0.00 46.69 ≤74 PASS High 2480 AV 2483.500 -57.5 2.00 1.80 41.50 ≤54 PASS AV 2483.520 -57.5 2.00 1.80 41.50 ≤54 PASS AV 2500.000 -59.13 2.00 1.80 39.87 ≤54 PASS Peak 2483.500 -50.58 2.00 0.00 46.62 ≤74 PASS Peak 2485.040 -46.23 2.00 0.00 50.97 ≤74 PASS Peak 2500.000 -51.06 2.00 0.00 46.14 ≤74 PASS Note：The limit in dBm for average detector is conversion from 54dBuV/m, according to 15.209(a). The limit in dBm for peak detector is 20dB above the limit of average detector in dBm. 23 Test Graphs BLE_1M_Ant1_Low_2402_AV BLE_1M_Ant1_Low_2402_Peak BLE_1M_Ant1_High_2480_AV 24 BLE_1M_Ant1_High_2480_Peak

FCC ID: 2BUMR-SN19ABL4 Test Setup Photos of the EUT FCC ID: 2BUMR-SN19ABL4