2AXKB-GC6583-SH1SleepHub Provides Scientifically Formulated Sounds To Generate Guided Sleep Cycles For The User

Science powered to help restore natural sleep Getting started CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 1CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 114/09/2020 16:1114/09/2020 16:11 2 Contents Congratulations on your purchase and welcome to your SleepHub™. Your journey to natural sleep starts here. Important safety instructions What’s in the box Quick start guide Additional settings Register your SleepHub™ Technical information 3 - 5 6 - 7 8 - 19 20 21 22 - 24 Page CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 2CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 214/09/2020 16:1114/09/2020 16:11 3 IMPORTANT SAFETY INSTRUCTIONS Please read, follow and save these instructions to reduce the risk of damage or injury: A lightning flash in a triangle symbol is to warn the user of uninsulated dangerous voltage, within the product enclosure, that may be of sufficient magnitude to constitute a risk of electric shock An exclamation in a triangle symbol is to warn the user of important operating and maintenance instruction A water drop in a barred circle symbol is to warn the user of a potential risk of water damage to the product, and electrical shock A flame in a triangle symbol is to warn the user of a potential risk of fire hazard CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED PERSONNEL. RISK OF ELECTRICAL SHOCK DO NOT OPEN CAUTION CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 3CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 314/09/2020 16:1114/09/2020 16:11 4 IMPORTANT SAFETY INSTRUCTIONS 1. Warning: This product contains magnets which may be harmful to pacemaker wearers 2. Do not use your SleepHub™ if any part of the product, including power and audio cables show any sign of damage 3. To reduce the risk of an electric shock, do not open any part of your SleepHub™ product, including power adaptor 4. Only use the power adapter supplied. Do not use the product, if the adapter or any of the other part of the product appear damaged 5. Power socket and power adaptor should be located near the SleepHub and easily accessible at all times 6. The product does not have an on/off switch. Switch off at the wall socket and/or remove the plug 7. Do not expose the product to moisture or water 8. Do not use SleepHub™ in a bathroom, near a bathtub, washbowl, kitchen sink, laundry area, near a swimming pool, or anywhere else where water or moisture are present CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 4CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 414/09/2020 16:1114/09/2020 16:11 5 9. Do not use your SleepHub™ if any part of the product, including power and audio cables, show any sign of water damage, or are wet 10. Do not place any part of the product, including power and audio cables, near any source of ignition or naked flame 11. Do not cover Main Console unit during use, as this may lead to overheating and a potential fire hazard 12. Do not make any alterations to the product as this may compromise safety, regulatory compliance, system performance and may void the warranty 13. Only use your SleepHub™ indoors in a clean and dry environment 14. Do not cover or block the Speaker vents during use to ensure premium performance 15. This product is not a toy and is not suitable for use in areas where children are playing or frequently present Please note: Visit sleephub.com for more information, a full user manual, and contact details if you need help or technical support. CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 5CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 514/09/2020 16:1114/09/2020 16:11 6 What’s in the box Please identify and inspect the contents of your package. Inside the box you should find the following items: • SleepHub™ main unit • Two speakers • Two RCA cables (1 x 5m and 1 x 2m) • Mains power adapter • Getting started guide • Guarantee leaflet If any of these items are missing or appear damaged, please contact us at [email protected] CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 6CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 614/09/2020 16:1114/09/2020 16:11 7 Getting started Sleep Hub TM 2 x Speakers1 x SleepHub™ main unit 1 x Mains power adapter2 x RCA cables 1 x Getting started guide1 x Guarantee leaflet CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 7CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 714/09/2020 16:1114/09/2020 16:11 8 Quick start guide 1. Unpack your SleepHub™ and check all components 2. Place the speakers either side of the user • Speakers can be placed either side of the bed, facing the bed or behind the bed • Ensure that each speaker is placed either side of the person who will be using the device as they sleep, so that person is lying in the field of sound for each speaker Please take care where you locate your SleepHub™. Do not expose the product to trip hazards, liquids or water as this may cause an electrical hazard CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 8CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 814/09/2020 16:1114/09/2020 16:11 9 CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 9CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 914/09/2020 16:1114/09/2020 16:11 10 3. Connect the speakers to the main unit using the RCA cables • The 2m cable should be connected to the speaker closest to the main unit • The 5m cable should be connected the speaker furthest from the main unit 4. Plug the power adapter into a wall socket and connect it to the main unit Caution! Risk of product damage: Always make sure that the outlet power supply and voltage corresponds to the voltage printed on the underside of the SleepHub TM Risk of electric shock: Always pull from the plug, when removing from the socket. Never pull the cable Quick start guide CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 10CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 1014/09/2020 16:1114/09/2020 16:11 11 2m RCA cable5m RCA cable CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 11CSS_SH_UserGuide_A6_24pp_ART_AW11.indd 1114/09/2020 16:1114/09/2020 16:11 12 First Time Use Connecting to the internet To ensure that your SleepHub™ is always up to date with the latest soft…

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FCC ID: 2AXKB-GC6583-SH1

INTERTEK TESTING SERVICE Report No.: HK20090025 Equipment Photographs (External) INTERTEK TESTING SERVICE Report No.: HK20090025 Equipment Photographs (External) INTERTEK TESTING SERVICE Report No.: HK20090025 Equipment Photographs (External)

INTERTEK TESTING SERVICE Report No.: HK20090025 Equipment Photographs (Internal) INTERTEK TESTING SERVICE Report No.: HK20090025 Equipment Photographs (Internal) INTERTEK TESTING SERVICE Report No.: HK20090025 Equipment Photographs (Internal) INTERTEK TESTING SERVICE Report No.: HK20090025 Equipment Photographs (Internal)

INTERTEK TESTING SERVICES FCC ID: 2AXKB-GC6583-SH1 For Maximum Permissible Exposure (MPE) evaluation of the base unit, the maximum power density at 20 cm from this mobile transmitter shall be less than the General Population / Uncontrolled MPE limit in OET Bulletin 65 and meet the requirement listed in KDB447498. For the 2.4GHz WiFi portion of the SleepHub of tested model: SH1, the measured powers among all the measured channels were within its production tolerance. The antenna gain is 2 dBi and its maximum source-based time-averaging duty factor is 100%. From these data and its operating configuration – Mobile device, the exposed power density at a distance (R) of 20cm from the center of radiation of the antenna can be calculated according to OET Bulletin 65 as follow: EIRP = 16 dBm + 2 dBi = 18 dBm (63.1 mW) The EIRP source-based time-averaging output power = (63.1 * 1) mW = 63.1 mW The power density at 20cm = 63.1 / 4πR 2 = 0.0126 mW cm -2 For the 2.4GHz Bluetooth portion of the SleepHub of tested model: SH1, the measured powers among all the measured channels were within its production tolerance. The antenna gain is 2 dBi and its maximum source-based time-averaging duty factor is 100%. From these data and its operating configuration – Mobile device, the exposed power density at a distance (R) of 20cm from the center of radiation of the antenna can be calculated according to OET Bulletin 65 as follow: EIRP = 10 dBm + 2 dBi = 12 dBm (15.85 mW) The EIRP source-based time-averaging output power = (15.85 * 1) mW = 15.85 mW The power density at 20cm = 15.85 / 4πR 2 = 0.0032 mW cm -2 INTERTEK TESTING SERVICES FCC ID: 2AXKB-GC6583-SH1 Per KDB 447498 D01 v06, simultaneous transmission MPE test exclusion applies when the sum of the MPE ratios for all simultaneous transmitting antennas incorporated in a host device, based on calculated or measured field strengths or power density, is ≤ 1.0. The MPE ratio for wifi portion can be calculated as follow: = The power density at 20cm / MPE limit = 0.0126 mW cm -2 / 1.0 mW cm -2 = 0.0126 The MPE ratio for Bluetooth portion can be calculated as follow: = The power density at 20cm / MPE limit = 0.0032 mW cm -2 / 1.0 mW cm -2 = 0.0032 The sum of the MPE ratios for all simultaneous transmitting antennas = 0.0126 + 0.0032 = 0.0158 As the sum of MPE ratios for all simultaneous transmitting antennas is ≤ 1.0, simultaneous transmission MPE test exclusion will be applied. Conclusion In frequency range of 1,500 - 100,000MHz, the MPE limit is 1.0 mWcm -2 for general population and uncontrolled exposure. As simultaneous transmission MPE test exclusion is applied and the measured power density at 20cm from all the standalone transmissions is lower than the MPE limit, the compliance to the MPE limit can be ensured by indicating the minimum 20cm separation between the transmitter's radiating structures and body of the user or nearby persons. The following RF exposure statement is proposed to be included in the user manual: “ FCC RF Radiation Exposure Statement Caution: To maintain compliance with the FCC’s RF exposure guidelines, place the unit at least 20cm from nearby persons.”

2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong SAR, China. Telephone: (852) 2173 8888 Facsimile: (852) 2785 5487 www.intertek.com Intertek’s standard Terms and Conditions can be obtained at our website http://www.intertek.com/terms/. The test report only allows to be revised within the retention period unless further standard or the requirement was noticed. This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. © 2017 Intertek Page 1 of 58 TEST REPORT Report Number: 20090025HKG-001 Application for Original Grant of 47 CFR Part 15 Certification This report contains the data of wifi portion only FCC ID: 2AXKB-GC6583-SH1 Prepared and Checked by: Approved by: Signed On File Wong Cheuk Ho, Herbert Lead Engineer Wong Kwok Yeung, Kenneth Senior Lead Engineer Date: October 05, 2020 TEST REPORT Cambridge Sleep Sciences Ltd. Intertek Report No: 20090025HKG-001 Page 2 of 58 GENERAL INFORMATION Applicant Name: Cambridge Sleep Sciences Ltd. Applicant Address: 115B Innovation Drive, Milton Park, Abingdon, Oxfordshire OX14 4RZ United Kingdom FCC Specification Standard: FCC Part 15, October 1, 2019 Edition FCC ID: 2AXKB-GC6583-SH1 FCC Model(s): SH1 Type of EUT: Spread Spectrum Transmitter Description of EUT: SleepHub Provides Scientifically Formulated Sounds To Generate Guided Sleep Cycles For The User Serial Number: N/A Sample Receipt Date: September 01, 2020 Date of Test: September 01, 2020 to September 24, 2020 Report Date: October 05, 2020 Environmental Conditions: Temperature: +10 to 40°C Humidity: 10 to 90% Conclusion: Test was conducted by client submitted sample. The submitted sample as received complied with the 47 CFR Part 15 Certification. TEST REPORT Cambridge Sleep Sciences Ltd. Intertek Report No: 20090025HKG-001 Page 3 of 58 TABLE OF CONTENTS 1.0 TEST RESULTS SUMMARY & STATEMENT OF COMPLIANCE ............................................ 4 1.1 Summary of Test Results ................................................................................................. 4 1.2 Statement of Compliance ................................................................................................ 4 2.0 GENERAL DESCRIPTION ................................................................................................ 5 2.1 Product Description ....................................................................................................... 5 2.2 Test Methodology ........................................................................................................... 5 2.3 Test Facility ..................................................................................................................... 6 2.4 Related Submittal(s) Grants ............................................................................................ 6 3.0 SYSTEM TEST CONFIGURATION .................................................................................... 7 3.1 Justification ..................................................................................................................... 7 3.2 EUT Exercising Software .................................................................................................. 8 3.3 Details of EUT and Description of Accessories ................................................................. 9 3.4 Measurement Uncertainty .............................................................................................. 9 4.0 TEST RESULTS ............................................................................................................ 10 4.1 Maximum Conducted Output Power at Antenna Terminals ......................................... 10 4.2 Minimum 6dB RF Bandwidth......................................................................................... 12 4.3 Maximum Power Spectral Density ................................................................................ 19 4.4 Out of Band Conducted Emissions ................................................................................ 26 4.5 Field Strength Calculation.............................................................................................. 39 4.6 Transmitter Radiated Emissions in Restricted Bands and Spurious Emissions ............... 40 4.6.1 Radiated Emission Configuration Photograph ............................................................ 40 4.6.2 Radiated Emission Data .............................................................................................. 40 4.6.3 Radiated Emission Test Setup ..................................................................................... 51 4.6.4 Transmitter Duty Cycle Calculation ............................................................................ 52 4.7 AC Power Line Conducted Emission .............................................................................. 53 4.7.1 AC Power Line Conducted Emission Configuration Photograph ................................. 53 4.7.2 AC Power Line Conducted Emission Data ................................................................... 53 4.7.3 Conducted Emission Test Setup ..........................................................…

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2/F., Garment Centre, 576 Castle Peak Road, Kowloon, Hong Kong SAR, China. Telephone: (852) 2173 8888 Facsimile: (852) 2785 5487 www.intertek.com Intertek’s standard Terms and Conditions can be obtained at our website http://www.intertek.com/terms/. The test report only allows to be revised within the retention period unless further standard or the requirement was noticed. This report is for the exclusive use of Intertek's Client and is provided pursuant to the agreement between Intertek and its Client. Intertek's responsibility and liability are limited to the terms and conditions of the agreement. Intertek assumes no liability to any party, other than to the Client in accordance with the agreement, for any loss, expense or damage occasioned by the use of this report. Only the Client is authorized to permit copying or distribution of this report and then only in its entirety. Any use of the Intertek name or one of its marks for the sale or advertisement of the tested material, product or service must first be approved in writing by Intertek. The observations and test results in this report are relevant only to the sample tested. This report by itself does not imply that the material, product, or service is or has ever been under an Intertek certification program. © 2017 Intertek Page 1 of 35 TEST REPORT Report Number: 20090025HKG-003 Application for Original Grant of 47 CFR Part 15 Certification This report contains the data of Bluetooth 4.0 BLE portion only FCC ID: 2AXKB-GC6583-SH1 Prepared and Checked by: Approved by: Signed On File Wong Cheuk Ho, Herbert Lead Engineer Wong Kwok Yeung, Kenneth Senior Lead Engineer Date: October 05, 2020 TEST REPORT Cambridge Sleep Sciences Ltd. Intertek Report No: 20090025HKG-003 Page 2 of 35 GENERAL INFORMATION Applicant Name: Cambridge Sleep Sciences Ltd. Applicant Address: 115B Innovation Drive, Milton Park, Abingdon, Oxfordshire OX14 4RZ United Kingdom FCC Specification Standard: FCC Part 15, October 1, 2019 Edition FCC ID: 2AXKB-GC6583-SH1 FCC Model(s): SH1 Type of EUT: Spread Spectrum Transmitter Description of EUT: SleepHub Provides Scientifically Formulated Sounds To Generate Guided Sleep Cycles For The User Serial Number: N/A Sample Receipt Date: September 01, 2020 Date of Test: September 01, 2020 to September 24, 2020 Report Date: October 05, 2020 Environmental Conditions: Temperature: +10 to 40°C Humidity: 10 to 90% Conclusion: Test was conducted by client submitted sample. The submitted sample as received complied with the 47 CFR Part 15 Certification. TEST REPORT Cambridge Sleep Sciences Ltd. Intertek Report No: 20090025HKG-003 Page 3 of 35 TABLE OF CONTENTS 1.0 TEST RESULTS SUMMARY & STATEMENT OF COMPLIANCE ............................................ 4 1.1 Summary of Test Results ................................................................................................. 4 1.2 Statement of Compliance ................................................................................................ 4 2.0 GENERAL DESCRIPTION ................................................................................................ 5 2.1 Product Description ....................................................................................................... 5 2.2 Test Methodology ........................................................................................................... 5 2.3 Test Facility ..................................................................................................................... 6 2.4 Related Submittal(s) Grants ............................................................................................ 6 3.0 SYSTEM TEST CONFIGURATION .................................................................................... 7 3.1 Justification ..................................................................................................................... 7 3.2 EUT Exercising Software .................................................................................................. 8 3.3 Details of EUT and Description of Accessories ................................................................. 9 3.4 Measurement Uncertainty .............................................................................................. 9 4.0 TEST RESULTS ............................................................................................................ 10 4.1 Maximum Conducted Output Power at Antenna Terminals ......................................... 10 4.2 Minimum 6dB RF Bandwidth......................................................................................... 11 4.3 Maximum Power Spectral Density ................................................................................ 14 4.4 Out of Band Conducted Emissions ................................................................................ 17 4.5 Field Strength Calculation.............................................................................................. 22 4.6 Transmitter Radiated Emissions in Restricted Bands and Spurious Emissions ............... 23 4.6.1 Radiated Emission Configuration Photograph ............................................................ 23 4.6.2 Radiated Emission Data .............................................................................................. 23 4.6.3 Radiated Emission Test Setup ..................................................................................... 28 4.6.4 Transmitter Duty Cycle Calculation ............................................................................ 29 4.7 AC Power Line Conducted Emission .............................................................................. 30 4.7.1 AC Power Line Conducted Emission Configuration Photograph ................................. 30 4.7.2 AC Power Line Conducted Emission Data ................................................................... 30 4.7.3 Conducted Emission Test Setup .............................................…

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INTERTEK TESTING SERVICE Report No: HK20090005 Configuration Photographs Worst-Case Radiated Emissions (Front View) INTERTEK TESTING SERVICE Report No: HK20090005 Configuration Photographs Worst-Case Radiated Emissions (Rear View)

INTERTEK TESTING SERVICE Report No: HK20090025 Configuration Photographs Worst-Case Radiated Emissions (Front View) INTERTEK TESTING SERVICE Report No: HK20090025 Configuration Photographs Worst-Case Radiated Emissions (Rear View)

INTERTEK TESTING SERVICE Report No: HK20090025 i Configuration Photographs Worst-Case Line-Conducted Emissions (Front View) INTERTEK TESTING SERVICE Report No: HK20090025 ii Configuration Photographs Worst-Case Line-Conducted Emissions (Rear View) INTERTEK TESTING SERVICE Report No: HK20090025 iii Configuration Photographs Worst-Case Line-Conducted Emissions (Side View)