2AXT9-P0Sum DROP & DOCK Wireless Charging System

User Manual Sum DROP & DOCK Wireless Charging System FCC ID: 2AXT9-P0 This product is a portable mobile power supply, which is mainly used for powering and charging various digital products such as various brands of mobile phones, IPAD, PSP, MP3/MP4, palmtop computers. 1. The built-in battery is charged with a three-stage constant voltage and constant current charging method. The charging input terminal of the product is Type-C interface; the output port is TYPE-C and wireless charging. Support PD3.0/PD2.0 fast charging input Support wireless charging output. 2. TYPE-C intelligent recognition. When a mobile phone is inserted into the fast charging port, the product will automatically turn on the output, charge the device, and shake hands with the powered device. When the powered device meets the 1A or 2.4A requirements, the product will charge The output will automatically output the corresponding optimal output current. 3. When a device is connected to the Type C port, the wireless charging will automatically enter the 5W output state and switch to a regular output. Only after Type-C turns off the output can the wireless charging 10W output be turned on. 4. Hidden LED power display, with soft brightness, will not be dazzling when used at night, and will not affect sleep. 5. Use safe and reliable, built-in intelligent charge and discharge management chip, battery overcharge protection, battery over discharge protection, output over current protection, output short circuit protection, mobile phone full power protection and other multiple intelligent protection functions. 6. Low self-consumption of about 150 microamperes, long standby time. Product Information: item Specification Capacity battery capacity, 3.7V-5AH，18.5WH Battery type Lithium polymer battery, 955565，5000mAh Output port P0:Type C *1 Wireless charging *1 input port D0: TYPE-C*1 Rated output Wireless output: 5W/7.5W/10W Type C:5V/2A Indicator light D0: 1LED cool white Wireless charger: 12LED warm white FOD: 12LED blue Product size weight Built-in battery Battery description battery capacity instruction manual Polymer battery ≥5000mAh (single cell) Fully charged by standard charging method, 0.2C discharged to 3.0V cut-off Charging method：Three-stage charging Charging mode recharging current instruction manual Precharge ≤400mA Battery voltage≤3.0V fast charging 2000mA (typical value) Battery voltage 3-4.0V, input port voltage is 5V Constant voltage charging The charging current keeps decreasing with the increase of battery voltage, and finally the charging current is turned off Battery voltage 4.0-4.2V Charging method and status description When the external 5V/DC power supply is connected to the product through contact copper or Type C, the product will charge the built-in battery, and the four white LEDs (25%, 50%, 75%, 100%, respectively) will use the current power The way the light flashes shows the current built-in battery power, as shown in the table below: When the product is charging The first light flashes, two, three, and four lights are off ◎○○○ Battery power below 25% The first light is always on, the second light is flashing, three or four lights are off ●◎○○ Battery power 25%-50% the first. Two or two lights are always on, the third light is flashi ng, and the fourth light is off ●●◎○ Battery power 50%-75% The first, second, and third lights are always on, and the fourth light flashes ●●●◎ Battery power 75-100% After the product is full Four lights are always on ●●●● full Battery check under normal state-click the button: Battery check One white light is always on, the other three are off ●○○○ Battery level 0%-25% Two white lights are always on, the other two are off ●●○○ Battery power 25%-50% Three white lights are on, the other is off ●●●○ Battery power 50%-75% Four white lights are always on ●●●● Battery power 75%-100% Battery display when discharging Battery check One white light is always on, the other three are off ●○○○ Battery level 0%-25% Two white lights are always on, the other two are off ●●○○ Battery power 25%-50% Three white lights are on, the other is off ●●●○ Battery power 50%-75% Four white lights are always on ●●●● Battery power 75%-100% Wireless charging instructions When the wireless charging is turned on and the mobile phone/load is connected, the wireless charging indicator (the frequency of the white breathing light is 2.5 seconds a breathing cycle) When there is a metal foreign body in the position of the wireless charging coil, and the size is larger (more than 1 yuan coin Diameter), the wireless charging circuit will be shown as foreign matter, and the wireless charging output will be stopped (the blue light abnormal indicator will alarm until the foreign matter is removed). Button function definition: C lick to turn on the wireless charging by default, click again to turn off the whole machine, and double-click to turn on or off the wireless charging indicator. Protection function Short output If the USB output terminal is short-circuited due to improper use or other factors, the product will automatically turn off the output to protect the charged device and the product itself. When the short-circuit is removed, there is no need to charge and activate. Output overcurrent protection If the output current of the USB port reaches 3.2-3.8A due to improper use or other factors; the product will turn off the output to protect the safety of the device. After the overcurrent status is removed, short press the button to start the output. Built-in battery protection Overcharge software protection 4.2V+/-0.05V Overcharge independent hardware protection 4.28+/-0.05V Over-discharge software protection 2.80-3.2V Over-discharge independent hardware protection 2.4+/-0.1V Environmental adaptability ITEM Specification Min Typ Max OperatingTempera ture Environmental temperature around the product normal work -10 25 40 Storage 1 year -20 25 40 Temperature 3 month -20 25 40 1 month -20 25 40 Operating humidi…

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Sum, LLC Agent Authorization Company: Sum, LLC Address: 8070 Scholarship Irvine, CA 92612, USA Product Name: Sum DROP & DOCK Wireless Charging System Model Number(s): P0+D0 Product Description:Sum DROP & DOCK Wireless Charging System We authorize MiCOM Labs Inc., 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters conc erning the certification of above named equipment. We declare that MiCOM Labs Inc. is allowed to forward all information related to the approval and certification of equipment to the regulatory agencies as required and to discuss any issues c oncerning the approval application. Any and all acts carried out by MiCOM Labs on our behalf shall have the same effect as acts of our own. Date: Oct. 23, 2020 Signature: Name: Yee Su Title: manager Company: Sum, LLC

Sum, LLC Date: Oct. 23, 2020 Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject; Request for Confidentiality FCC ID: 2AXT9-P0 To Whom It May Concern, Pursuant to the provisions of the Commission’s rules Title 47 Sections §0.457 and §0.459, we are requesting the Commission to withhold the following attachment(s) as confidential documents from public disclosure indefinitely. These documents contain detailed system and equipment descriptions and are considered as proprietary information in operation of the equipment. The public disclosure of these documents might be harmful to our company and would give competitors an unfair advantage in the market. Schematic Diagram Block Diagram Parts List Operational Description Tune-up Procedure In additional to above mentioned documents, in order to comply with the marketing regulations in Title 47 CFR §2.803 and the importation rules in Title 47 CFR §2.1204, while ensuring that business sensitive information remains confidential until the actual marketing of newly authorized devices, we request Short Term Confidentiality of the following attachment(s); External Photos Test Setup Photos Internal Photos User Manual For 45 days, pursuant to Public Notice DA 04-1705. OR For 180 days pursuantto KDB 726920 D01. It is our understanding that all measurement test reports, FCC ID label format and correspondence during the certification review process cannot be granted as confidential documents and this information will be available for public review once the grant of equipment authorization is issued. Sincerely, Signature: Name: Yee Su Title: manager

SIZE:35*20mm

Page 1 of 8 Report No.: HK2010152901-2E FCC TEST REPORT Test report On Behalf of Sum, LLC For Sum DROP & DOCK Wireless Charging System Model No.: P0+D0 FCC ID: 2AXT9-P0 Prepared for : Sum, LLC 8070 Scholarship Irvine, CA 92612, USA Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street, Bao'an District, Shenzhen City, China Date of Test: Sep. 16, 2020 ~Oct. 13, 2020 Date of Report: Oct. 13, 2020 Report Number: HK2010152901-2E Page 2 of 8 Report No.: HK2010152901-2E Note: 1.For a more detailed features description, please refer to the manufacturer’s specifications or the User's Manual. 2. Channel List Channel Frequency (KHz) Channel Frequency (MHz) Channel Frequency (MHz) Channel Frequency (MHz) 01 125 The EUT antenna is Coil Antenna. No antenna other than that furnished by the responsible party shall be used with the device. 2. SUMMARY OF TEST RESULTS 2.1 Test procedures according to the technical standards: FCC KDB680106 D01 RF Exposure Wireless Charging Apps v03 FCC CFR 47 Standard Section Test Item Judgment Remark FCC CFR 47 part1, 1.1310 KDB680106 D01 v03 - part 3 Electric Field Strength (E) (V/m) PASS Magnetic Field Strength (H) (A/m) PASS 2.2 MEASUREMENT UNCERTAINTY The reported uncertainty of measurement y ±U，where expended uncertainty U is based on a standard uncertainty multiplied by a coverage factor of k=2，providing a level of confidence of approximately 95 %. No. Item Uncertainty 1 All emissions,radiated(<30M)(9KHz-30MHz) ±2.45dB 2 Temperature ±0.5°C 3 Humidity ±2% Page 3 of 8 Report No.: HK2010152901-2E 2.3 Test Instruments Description Brand Model No. Frequency Range Calibrated Date Calibrated Until Broadband Field Meter NARDA NBM-550 - Dec. 26, 2019 Dec. 25, 2020 Magnetic Field Meter NARDA ELT-400 1 – 400kHz Dec. 26, 2019 Dec. 25, 2020 Magnetic Probe NARDA HF-3061 300kHz – 30MHz Dec. 26, 2019 Dec. 25, 2020 Magnetic Probe NARDA HF-0191 27 – 1000MHz Dec. 26, 2019 Dec. 25, 2020 Broadband Field Meter NARDA NBM-550 - Dec. 26, 2019 Dec. 25, 2020 Electric Field Meter COMBINOVA EFM 200 5Hz – 400kHz Dec. 26, 2019 Dec. 25, 2020 E-Field Probe NARDA EF-0391 100kHz – 3GHz Dec. 26, 2019 Dec. 25, 2020 E-Field Probe NARDA EF-6091 100MHz – 60GHz Dec. 26, 2019 Dec. 25, 2020 NOTE: 1. The calibration interval of the above test instruments is 12 months . Page 4 of 8 Report No.: HK2010152901-2E 3. MAXIMUM PERMISSIBLE EXPOSURE 3.1 MAXIMUM PERMISSIBLE EXPOSURE Limit of Maximum Permissible Exposure Limits for Occupational / Controlled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm²) Averaging Time |E|²,|H|² or S (minutes) 0.3-3.0 614 1.63 (100)* 6 3.0-30 1842 / f 4.89 / f (900 / f)* 6 30-300 61.4 0.163 1.0 6 300-1500 F/300 6 1500-100,000 5 6 Limits for General Population / Uncontrolled Exposure Frequency Range (MHz) Electric Field Strength (E) (V/m) Magnetic Field Strength (H) (A/m) Power Density (S) (mW/ cm²) Averaging Time |E|²,|H|² or S (minutes) 0.3-1.34 614 1.63 (100)* 30 1.34-30 824/f 2.19/f (180 / f)* 30 30-300 27.5 0.073 0.2 30 300-1500 F/1500 30 1500-100,000 1 30 Note 1: f = frequency in MHz ; *Plane-wave equivalent power density Note 2: For the applicable limit, see FCC 1.1310, 680106 D01 RF Exposure Wireless Charging Apps v03 Note 3: Emissions between 100 kHz to 300 kHz should be assessed versus the limits at 300 kHz in Table 1 of Section 1.1310: 614 V/m and 1.63A/m. A KDB inquiry is required to determine the applicable exposure limits below 100 kHz. Page 5 of 8 Report No.: HK2010152901-2E 4. TEST PROCEDURE a. For devices designed for typical desktop applications, such a wireless charging pads, RF exposure evaluation should be conducted assuming a user separation distance of (H-field & E- field strengths for all sides is 15cm, H-field strengths of top side is 20cm). E and H field strength measurements or numerical modeling may be used to demonstrate compliance. Measurements should be made from all sides and the top of the primary/client pair, with the 15 cm measured from the center of the probe(s) to the edge of the device. 4.1 TEST SETUP 4.2 RESULT OF MAXIMUM PERMISSIBLE EXPOSURE Page 6 of 8 Report No.: HK2010152901-2E For Full load mode: E-Field Strength at 15 cm from the edges surrounding the EUT (V/m) Frequency Range (MHz) Test Position A Test Position B Test Position C Test Position D Test Position E(20cm) Limits Test (V/m) 0.125 4.75 2.23 2.97 0.95 1.66 614 H-Field Strength at 15 cm from the edges surrounding the EUT (A/m) Frequency Range (MHz) Test Position A Test Position B Test Position C Test Position D Test Position E(20cm) Limits Test (V/m) 0.125 0.34 0.95 1.18 0.88 1.31 1.63 For Half Load mode: E-Field Strength at 15 cm from the edges surrounding the EUT (V/m) Frequency Range (MHz) Test Position A Test Position B Test Position C Test Position D Test Position E(20cm) Limits Test (V/m) 0.125 1.57 2.86 2.27 0.97 4.45 614 H-Field Strength at 15 cm from the edges surrounding the EUT (A/m) Frequency Range (MHz) Test Position A Test Position B Test Position C Test Position D Test Position E(20cm) Limits Test (V/m) 0.125 1.01 0.50 0.89 0.87 1.15 1.63 Page 7 of 8 Report No.: HK2010152901-2E For No load mode: E-Field Strength at 15 cm from the edges surrounding the EUT (V/m) Frequency Range (MHz) Test Position A Test Position B Test Position C Test Position D Test Position E(20cm) Limits Test (V/m) 0.125 3.42 2.87 1.18 0.68 3.19 614 H-Field Strength at 15 cm from the edges surrounding the EUT (A/m) Frequency Range (MHz) Test Position A Test Position B Test Position C Test Position D Test Position E(20cm) Limits Test (V/m) 0.125 1.20 0.34 1.19 0.34 0.72 1.63 Remark: According KDB 680106 D01 RF Exposure Wireless C harging App v03, section 5, b). The aggregate H-field strengths at 15 cm surrounding the device and 20 cm above the top surface from all simultaneous transmitting coils are demonstrated to be less than 50% of the MPE limit. Th…

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Page 1 of 19 Report No.: HK2010152901-1E FCC TEST REPORT Test report On Behalf of Sum, LLC For Sum DROP & DOCK Wireless Charging System Model No.: P0+D0 FCC ID: 2AXT9-P0 Prepared for : Sum, LLC 8070 Scholarship Irvine, CA 92612, USA Prepared By : Shenzhen HUAK Testing Technology Co., Ltd. 1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street, Bao'an District, Shenzhen City, China Date of Test: Sep. 16, 2020 ~Oct. 13, 2020 Date of Report: Oct. 13, 2020 Report Number: HK2010152901-1E Page 2 of 19 Report No.: HK2010152901-1E TEST RESULT CERTIFICATION Applicant’s name .................. : Sum, LLC Address ................................... : 8070 Scholarship Irvine, CA 92612, USA Manufacture's Name............. : SHENZHEN BLUE TIMES TECHNOLOGY CO.,LTD Address ................................... : B Block, Taixinglong Tech. Zone, Hezhou, Xixiang Town, Bao'an District, Shenzhen, China 518126 Product description Trade Mark .............................. : Sum Products Product name.......................... : Sum DROP & DOCK Wireless Charging System Model and/or type reference . : P0+D0 Standards............................... : FCC CFR 47 PART 18 This publication may be reproduced in whole or in part for non-commercial purposes as long as the Shenzhen HUAK Testing Technology Co., Ltd. is acknowledged as copyright owner and source of the material. Shenzhen HUAK 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. Date of Test .......................................... : Date (s) of performance of tests ............ : Sep. 16, 2020 ~Oct. 13, 2020 Date of Issue .......................................... : Oct. 13, 2020 Test Result ............................................. : Pass Testing Engineer : (Gary Qian) Technical Manager : (Eden Hu) Authorized Signatory : (Jason Zhou) Page 3 of 19 Report No.: HK2010152901-1E Table of Contents 1. TEST SUMMARY ....................................................................................................................................................................................... 4 1.1 TES T P ROCEDURES AND RES ULTS ................................................................................................................................ 4 1.2 TES T FA CILITY ............................................................................................................................................................................ 4 1.3 MEASUREME NT UNCERTA INTY ......................................................................................................................................... 4 2. GEN ERAL INFO RMATION ....................................................................................................................................................................... 5 2.1 General Descri ption of EUT ...................................................................................................................................................... 5 2.2. Carrier Frequency of Channels............................................................................................................................................... 6 2.3 Operation of EUT during testing .............................................................................................................................................. 6 2.4 Descripti on of Test Setup........................................................................................................................................................... 6 2.5 Measurem ent Instruments List................................................................................................................................................. 8 3. CONDUCTED EMISSION TEST............................................................................................................................................................. 9 3.1 Test Specification ......................................................................................................................................................................... 9 3.2 Test data ........................................................................................................................................................................................10 4. Radiated Sp urious Emission Measurement .....................................................................................................................................12 4.1 Block Diagram of Test Setup ..................................................................................................................................................12 4.2 Test Result .................................................................................................................................................................................13 5. PHOTOGRAPH OF TEST.........................................................................................................................................................................14 6. PHOTOGRAPH OF TEST.........................................................................................................................................................................15 Page 4 of 19 Report No.: HK2010152901-1E 1. TEST SUMMARY 1.1 TEST PROCEDURES AND RESULTS DESCRIPTION OF TEST Section number RESULT CONDUCTED EMISSIONS TEST §18.307 COMPLIANT RADIATED EMISSION TEST §18.305 COMPLIANT NOTE: N/A means not applicable in this report. 1.2 TEST FACILITY Test Firm : Shenzhen HUAK Testing Technology Co., Ltd. Address 1F, B2 Building, Junfeng Zhongcheng Zhizao Innovation Park, Fuhai Street, Bao'an District, Shenzhen City, China 1.3 MEASUREMENT UNCERTAINTY Measurement Uncertainty Conducted Emission Expanded Uncertainty = 2.23dB, k=2 Radiated emission expanded uncertainty(9kHz-…

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