2A58W-G17Wireless Earbuds

FCC Warning This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Any Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. Note: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:  -Reorient or relocate the receiving antenna.  -Increase the separation between the equipment and receiver.  -Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.  -Consult the dealer or an experienced radio/TV technician for help. The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. PMN:Wireless Earbuds ISED Statement English:This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada’s licence-exempt RSS(s). Operation is subject to the following two conditions: (1) This device may not cause interference. (2) This device must accept any interference, including interference that may cause undesired operation of the device. The digital apparatus complies with Canadian CAN ICES-3 (B)/NMB-3(B). French: Cet appareil contient des émetteurs/récepteurs exempts de licence qui sont conformes aux RSS exemptés de licence d'Innovation, Sciences et Développement économique Canada. L'exploitation est soumise aux deux conditions suivantes : (1) Cet appareil ne doit pas provoquer d'interférences. (2) Cet appareil doit accepter toute interférence, y compris les interférences susceptibles de provoquer un fonctionnement indésirable de l'appareil. l'appareil numérique du ciem conforme canadien peut - 3 (b) / nmb - 3 (b). This device meets the exemption from the routine evaluation limits in section 2.5 of RSS 102 and compliance with RSS 102 RF exposure, users can obtain Canadian information on RF exposure and compliance. cet appareil est conforme à l'exemption des limites d'évaluation courante dans la section 2.5 du cnr - 102 et conformité avec rss 102 de l'exposition aux rf, les utilisateurs peuvent obtenir des données canadiennes sur l'exposition aux champs rf et la conformité. This equipment complies with Canada radiation exposure limits set forth for an uncontrolled environment. Cet équipement est conforme aux limites d'exposition aux rayonnements du Canada établies pour un environnement non contrôlé. This equipment should be installed and operated with minimum distance 0cm between the radiator & your body. Cet équipement doit être installé et utilisé avec une distance minimale de 0 cm entre le radiateur et votre corps.

FCC ID: 2A58W-G17 TB-RF-074-1.0 Appendix III EUT External Photographs Photo 1 Appearance of EUT Photo 2 Appearance of EUT FCC ID: 2A58W-G17 TB-RF-074-1.0 Photo 3 Appearance of EUT Photo 4 Appearance of EUT FCC ID: 2A58W-G17 TB-RF-074-1.0 Photo 5 Appearance of EUT Photo 6 Appearance of EUT FCC ID: 2A58W-G17 TB-RF-074-1.0 Photo 7 Appearance of EUT Photo 8 Appearance of EUT

FCC ID: 2A58W-G17 TB-RF-074-1.0 AppendixI Label FCC ID: 2A58W-G17 Model: G17 FCC ID: 2A58W-G17 TB-RF-074-1.0 Appendix II Label Location

FCC ID: 2A58W-G17 TB-RF-074-1.0 Appendix IV EUT Internal Photographs Photo 9 Internal of EUT Photo 10 Appearance of PCB FCC ID: 2A58W-G17 TB-RF-074-1.0 Photo 11 Internal of EUT Photo 12 Internal EUT BT Antenna FCC ID: 2A58W-G17 TB-RF-074-1.0 Photo 13 Appearance of PCB

Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202301-0087-11 Page: 1 of 3 TB-RF-074-1.0 1 A/F., Building.6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao’an, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 RF Exposure Evaluation FCC ID: 2A58W-G17 1. Client Information Applicant : Dongguan Heng Da Rui Electronic Technology Co.,Ltd Address : Room 401, Building2,No 51, Dakeng Road, Humen Town, Dongguan, GuangDong, China Manufacturer : Dongguan Heng Da Rui Electronic Technology Co.,Ltd Address : Room 401, Building2,No 51, Dakeng Road, Humen Town, Dongguan, GuangDong, China 2. General Description of EUT EUT Name : Wireless Earbuds Model(s) No. : G17, G3, G5, G7, G16, G18, G19, G20, S3, S5, S7, S16, S17, S18, S19, S20, H1, C17, X07 Model Different : All these models are identical on the same PCB, layout and circuit, the only difference is different appearance and color. Product Description : Operation Frequency: Bluetooth 5.3: 2402MHz~2480MHz Number of Channel: Bluetooth 5.3: 79 channels Antenna Gain: 1.24 dBi Ceramic Antenna Modulation Type: GFSK, Pi/4-DQPSK, 8-DPSK Bit Rate of Transmitter: 1/2/3Mbps Power Supply (Earphone) : 3.7V by 50mAh Rechargeable Li-ion battery Power Supply (Charge box) : Input: DC 5V 3.7V by 600mAh Rechargeable Li-ion battery Software Version : V1.0 Hardware Version : V03 Remark: The antenna gain provided by the applicant, the adapter and verified for the RF conduction test and adapter provided by TOBY test lab. Note: More test information about the EUT please refer the RF Test Report. Report No.: TBR-C-202301-0087-11 Page: 2 of 3 TB-RF-074-1.0 SAR Test Exclusion Calculations 1. FCC: According to KDB 447498 D01 Mobile and Portable Devices RF Exposure Procedures and Equipment Authorization Policies v06. (1) Clause 4.3: General SAR test reduction and exclusion guidance Sub clause 4.31: Standalone SAR test exclusion considerations 1) The 1-g and 10-g SAR test exclusion thresholds for 100 MHz to 6GHz at test separation distance≤5 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[√f (GHz) ] ≤3.0 for 1-g SAR [(max. power of channel, including tune-up tolerance, mW)/(min. test separation, mm)]*[√f (GHz) ] ≤7.5.0 for 10-g SAR 2. Summary simultaneous transmission for SAR Exclusion The SAR exemption limits outlined in clause 4.3.2(b) of KDB 447498 have been derived based on an approximate SAR value of 0.4 W/kg using half-wave dipole antennas Footnote 1. As such, when simultaneous transmitter SAR evaluations include transmitters that have been exempt from routine SAR evaluation, the SAR must be estimating based on the ratio between the maximum tune-up tolerance limit of the transmitter that has been exempt and the exemption limit at the specific distance and frequency for that transmitter. This ratio must be multiplied by 0.4 W/kg(2.0 W/kg for controlled use and 1.0 W/kg for limb worn devices) in order to calculate the estimated SAR level. The estimate SAR value is calculated based the following equation: (maximum power level including tune-up tolerance for transmitter A / maximum power level of exemption at the same frequency and distance) * 0.4W/kg The [∑ of (the highest measured or estimated SAR for each standalone antenna configuration, adjusted for maximum tune-up tolerance) / 1.6 W/kg] + [∑ of MPE ratios] is ≤ 1.0. The SAR to peak location separation ratios of all simultaneously transmitting antenna pairs operating in portable device exposure conditions are all ≤ 0.04, and the [∑ of MPE ratios] is ≤ 1.0. Report No.: TBR-C-202301-0087-11 Page: 3 of 3 TB-RF-074-1.0 3. Calculation: Test separation: 5mm Bluetooth Mode (GFSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dBm) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2.402 1.981 2±1 3 1.995 0.618 3.0 2.441 1.795 2±1 3 1.995 0.623 3.0 2.480 2.302 2±1 3 1.995 0.628 3.0 Bluetooth Mode (Pi/4-DQPSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dBm) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2.402 1.996 2±1 3 1.995 0.618 3.0 2.441 1.888 2±1 3 1.995 0.623 3.0 2.480 2.348 2±1 3 1.995 0.628 3.0 Bluetooth Mode (8-DQPSK) Frequency (GHz) Conducted Power (dBm) Turn-up Power Tolerance (dB) Max power of tune up tolerance (dBm) Max power of tune up tolerance (mw) Calculation Value Threshold Value 2.402 2.032 2±1 3 1.995 0.618 3.0 2.440 1.873 2±1 3 1.995 0.623 3.0 2.480 2.333 2±1 3 1.995 0.628 3.0 Conclusion: The measurement results comply with the FCC Limit per 47 CFR 2.1093 for the uncontrolled RF Exposure and SAR Exclusion Threshold per KDB 447498 v06. -----END OF REPORT-----

2.4GHz 3216 Chip Antenna: RANT3216F245C07 _ Application: WLAN, 802.11b/g, Bluetooth, WLAN, etc... Features SMD, high reliability, ultra Impact, Omni-directional... Part number Information RANT3216F245C07 ( A ) ( B ) ( C ) ( D ) ( E ) ( F ) Electrical Specification T h e s p e c i f i c atio n i s d e f i n e d o n EVB. D i m e n s i o n a n d T e r m i n a l C o n f i g u r a t i o n N o . T e r m i n a l N a m e 1F e e d i n g / G N G 2G N D / Fee d i n g ( A ) P r odu ct T y p e C h i p A nte nna ( B) S i z e C o d e 3 . 2 x 1 . 6 m m ( ± 0 . 2 m m ) ( C ) M a t e r ial H i g h K m a t eri a l ( D ) F r e q u e n c y 2 . 4 ~ 2 . 5 G H z (E) Feeding modePIFA & Single Feeding ( F ) A n t e n n a t y p e T y p e = 0 7 Working Frequency Range2400 ~2500 MHz Bandwidth120 MHz (Min.) Peak Gain1.24 dBi (Typ.) Impedance50 Ohm Return loss10 dB ( Min) PolarizationLinear Azimuth BeamwidthOmni-directional Operation Temperature(°C)-40 ~85°C Resistance to Soldering Heats 10sec.( @ 280°C) TerminationNi / Au (Leadless) D i m e n s i o n ( m m ) L 3 . 2 0 ± 0 . 2 0 W 1 . 6 0 ± 0 . 2 0 T 0 . 8 5 ± 0 . 2 0 咏 成 國 際 科 技 有 限 公 司 電 話 :1 3 5 3 0 5 7 6 6 0 6 R A I N I n t e r n a t i o n a l T e c h n o l o g y C o . , L t d . T E L : 1 3 5 3 0 5 7 6 6 0 6 2.4GHz3216ChipAntenna:RANT3216F245C07 _ 1 EvaluationBoardReference PCBDimensionAntennaLayoutReference U n i t : m m E l e c t r i c a l C h a r a c t e r i s t i c s R e t u r n L o s s & R a d i a t i o n R e t u r n L o s s F r e q u e n c y ( M H z ) S 1 1 ( d B ) 2 4 0 0 - 1 0 . 5 0 2 4 5 0 - 3 0 . 6 2 2 5 0 0 - 1 1 . 4 7 R a d i a t i o n 2400MHz2450MHz2500MHz E f f i c i e n c y 8 2 . 5 2 % 8 5 . 2 6 % 8 3 . 0 1 % P e a k G a i n 1 . 1 5 d B i 1 . 2 4 d B i 1 . 1 9 d B i D i r e c t i v i t y 1 . 8 9 d B i 1 . 9 7 d B i 1 . 9 1 d B i X Y Z 2 4 0 0 M H z 2 4 5 0 M H z 2 5 0 0 M H z 2.4GHz3216ChipAntenna:RANT3216F245C07 _ TapingSpecifications R e e l a n d T a p i n g S p e c i f i c a t i o n R e e l S p e c i f i c a t i o n TYPESIZEABCD 3 2 1 6 7 ” 4 K / R e e l 9 . 0 ± 0 . 5 6 0 ± 2 1 3 . 5 ± 0 . 5 1 7 8 ± 2 T a p p i n g S p e c i f i c a t i o n P a c k a g i n g T y p e ABWEFGHTψDP P a p e r T y p e 3 2 1 6 1 . 9 0 ± 0 . 2 0 3 . 5 0 ± 0 . 2 0 8 . 0 ± 0 . 2 0 1 . 7 5 ± 0 . 1 0 3 . 5 ± 0 . 0 5 4 . 0 ± 0 . 1 0 2 . 0 ± 0 . 0 5 0 . 7 5 ± 0 . 1 0 1 . 5 0 ± 0 . 1 0 4 . 0 ± 0 . 1 2.4GHz3216ChipAntenna:RANT3216F245C07 _ ReliabilityTable T e s t I t e m P r o c e d u r e R e q u i r e m e n t s C e r a m i c T y p e R e m a r k ( R e f e r e n c e ) E l e c t r i c a l C h a r a c t e r i z a t i o n F u l f i l l t h e e l e c t r i c a l s p e c i f i c a t i o n U s e r S p e c . T h e r m a l S h o c k 1 . P r e c o n d i t i o n i n g : 5 0 ± 1 0 °C / 1 h r , t h e n k e e p f o r 2 4 ± 1 h r s a t r o o m t e m p . 2.Initialmeasure:Spec:referInitialspec. 3 . R a p i d c h a n g e o f t e m p e r a t u r e t e s t : -30°Cto+85°C; 100cycles; 1 5 m i n u t e s a t L o w e r c a t e g o r y t e m p e r a t u r e ; 15minutesatUppercategorytemperature. N o V i s i b l e D a m a g e . F u l f i l l t h e e l e c t r i c a l s p e c i f i c a t i o n . M I L - S T D - 2 0 2 1 0 7 T e m p e r a t u r e C y c l i n g 1 . I n i t i a l m e a s u r e : S p e c : r e f e r I n i t i a l s p e c . 2 . 1 0 0 C y c l e s ( - 3 0 °C t o + 8 5 °C ) , S o a k M o d e = 1 ( 2 C y c l e / h o u r s ) . 3 . M e a s u r e m e n t a t 2 4 ± 2 H o u r s a f t e r t e s t c o n d i t i o n . N o V i s i b l e D a m a g e . F u l f i l l t h e e l e c t r i c a l specification. J E S D 2 2 J A 1 0 4 H i g h T e m p e r a t u r e E x p o s u r e 1 . I n i t i a l m e a s u r e : S p e c : r e f e r I n i t i a l s p e c . 2 . U n p o w e r e d ; 5 0 0 h o u r s @ T = + 8 5 °C . 3.Measurementat24± 2 hoursaftertest. N o V i s i b l e D a m a g e . F u l f i l l t h e e l e c t r i c a l specification. M I L - S T D - 2 0 2 1 0 8 L o w T e m p e r a t u r e Storage 1 . I n i t i a l m e a s u r e : S p e c : r e f e r I n i t i a l s p e c . 2.Unpowered:500hours@ T=-30°C. 3 . M e a s u r e m e n t a t 2 4 ± 2 h o u r s a f t e r t e s t . N o V i s i b l e D a m a g e . Fulfilltheelectrical s p e c i f i c a t i o n . M I L - S T D - 2 0 2 108 S o l d e r a b i l i t y ( S M D B o t t o m S i d e ) D i p p i n g m e t h o d : a . T e m p e r a t u r e : 2 3 5 ± 5 ° C b.Dippingtime:3 ±0.5s T h e s o l d e r s h o u l d c o v e r o v e r 9 5 % o f t h e c r i t i c a l a r e a o f b o t t o m s i d e . I E C 6 0 3 8 4 - 2 1 / 2 2 4 . 1 0 S o l d e r i n g H e a t Resistance ( R S H ) P r e h e a t i n g t e m p e r a t u r e : 1 5 0 ± 1 0 ° C . Preheatingtime:1~2min. S o l d e r t e m p e r a t u r e : 2 6 0 ± 5 ° C . D i p p i n g t i m e : 5 ± 0 . 5 s N o V i s i b l e D a m a g e . I E C 6 0 3 8 4 - 2 1 / 2 2 4.10 V i b r a t i o n 5 g ' s f o r 2 0 m i n . , 1 2 c y c l e s e a c h o f 3 o r i e n t a t i o n s N o t e : U s e 8 " X 5 " P C B . 0 3 1 " t h i c k 7 s e c u r e p o i n t s o n , o n e l o n g s i d e a n d 2 s e c u r e p o i n t s a t c o r n e r s o f o p p o s i t e s i d e s . P a r t s m o u n t e d w i t h i n 2 " f r o m a n y s e c u r e p o i n t . T e s t f r o m 1 0 - 2 0 0 0 H z . N o V i s i b l e D a m a g e . M I L - S T D - 2 0 2 M e t h o d 2 0 4 Mechanical S h o c k Threeshocksineachdirectionshallbeappliedalongthethree m u t u a l l y p e r p e n d i c u l a r a x e s o f t h e t e s t s p e c i m e n ( 1 8 s h o c k s ) Peakvalue:1,500g’s Duration:0.5ms V e l o c i t y c h a n g e : 1 5 . 4 f t / s W a v e f o r m : H a l f - s i n e NoVisibleDamage.MIL-STD-202 M e t h o d 2 1 3 H u m i d i t y B i a s 1 . H u m i d i t y : 8 5 % R . H . , T e m p e r a t u r e : 8 5 ± 2 ° C . 2 . T i m e : 5 0 0 ± 2 4 h o u r s . 3 . M e a s u r e m e n t a t 2 4 ± 2 h r s a f t e r t e s t c o n d i t i o n . N o V i s i b l e D a m a g e . F u l f i l l t h e e l e c t r i c a l s p e c i f i c a t i o n . M I L - S T D - 2 0 2 M e t h o d 1 0 6 2.4GHz3216ChipAn…

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Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202301-0087-14 Page: 1 of 67 FCC ID: 2A58W-G17 TB-RF-074-1.0 RF Test Data for Bluetooth(BDR+EDR) (Conducted Measurements) General Description of EUT Product Name: Wireless Earbuds Test Model: G17 Sample ID: 202301-0087-8-2# Environmental Conditions Temperature: 24°C Relative Humidity: 50% Test Voltage: DC 3.7V Test Engineer: Liujiming Note: For a more detailed features description, please refer to the report TBR-C-202301-0087-14. The report only show the worst case data. Duty Cycle Condition Mode Frequency (MHz) Antenna Duty Cycle (%) Correction Factor (dB) 1/T (kHz) NVNT 1-DH1 2402 Ant1 32 4.95 2.5 NVNT 1-DH1 2441 Ant1 32 4.95 2.5 NVNT 1-DH1 2480 Ant1 31.2 5.06 2.56 NVNT 2-DH1 2402 Ant1 32.8 4.84 2.44 NVNT 2-DH1 2441 Ant1 32 4.95 2.5 NVNT 2-DH1 2480 Ant1 32 4.95 2.5 NVNT 3-DH1 2402 Ant1 32 4.95 2.5 NVNT 3-DH1 2441 Ant1 32 4.95 2.5 NVNT 3-DH1 2480 Ant1 32 4.95 2.5 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202301-0087-14 Page: 2 of 67 FCC ID: 2A58W-G17 TB-RF-074-1.0 Test Graphs Duty Cycle NVNT 1-DH1 2402MHz Ant1 Duty Cycle NVNT 1-DH1 2441MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202301-0087-14 Page: 3 of 67 FCC ID: 2A58W-G17 TB-RF-074-1.0 Duty Cycle NVNT 1-DH1 2480MHz Ant1 Duty Cycle NVNT 2-DH1 2402MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202301-0087-14 Page: 4 of 67 FCC ID: 2A58W-G17 TB-RF-074-1.0 Duty Cycle NVNT 2-DH1 2441MHz Ant1 Duty Cycle NVNT 2-DH1 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202301-0087-14 Page: 5 of 67 FCC ID: 2A58W-G17 TB-RF-074-1.0 Duty Cycle NVNT 3-DH1 2402MHz Ant1 Duty Cycle NVNT 3-DH1 2441MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202301-0087-14 Page: 6 of 67 FCC ID: 2A58W-G17 TB-RF-074-1.0 Duty Cycle NVNT 3-DH1 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202301-0087-14 Page: 7 of 67 FCC ID: 2A58W-G17 TB-RF-074-1.0 Maximum Conducted Output Power Condition Mode Frequency (MHz) Antenna Conducted Power (dBm) Limit (dBm) Verdict NVNT 1-DH1 2402 Ant1 1.981 21 Pass NVNT 1-DH1 2441 Ant1 1.795 21 Pass NVNT 1-DH1 2480 Ant1 2.302 21 Pass NVNT 2-DH1 2402 Ant1 1.996 21 Pass NVNT 2-DH1 2441 Ant1 1.888 21 Pass NVNT 2-DH1 2480 Ant1 2.348 21 Pass NVNT 3-DH1 2402 Ant1 2.032 21 Pass NVNT 3-DH1 2441 Ant1 1.873 21 Pass NVNT 3-DH1 2480 Ant1 2.333 21 Pass Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202301-0087-14 Page: 8 of 67 FCC ID: 2A58W-G17 TB-RF-074-1.0 Test Graphs Power NVNT 1-DH1 2402MHz Ant1 Power NVNT 1-DH1 2441MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202301-0087-14 Page: 9 of 67 FCC ID: 2A58W-G17 TB-RF-074-1.0 Power NVNT 1-DH1 2480MHz Ant1 Power NVNT 2-DH1 2402MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202301-0087-14 Page: 10 of 67 FCC ID: 2A58W-G17 TB-RF-074-1.0 Power NVNT 2-DH1 2441MHz Ant1 Power NVNT 2-DH1 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202301-0087-14 Page: 11 of 67 FCC ID: 2A58W-G17 TB-RF-074-1.0 Power NVNT 3-DH1 2402MHz Ant1 Power NVNT 3-DH1 2441MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202301-0087-14 Page: 12 of 67 FCC ID: 2A58W-G17 TB-RF-074-1.0 Power NVNT 3-DH1 2480MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202301-0087-14 Page: 13 of 67 FCC ID: 2A58W-G17 TB-RF-074-1.0 -20dB Bandwidth Condition Mode Frequency (MHz) Antenna -20 dB Bandwidth (MHz) Limit -20 dB Bandwidth (MHz) Verdict NVNT 1-DH1 2402 Ant1 0.87 0 Pass NVNT 1-DH1 2441 Ant1 0.85 0 Pass NVNT 1-DH1 2480 Ant1 0.87 0 Pass NVNT 2-DH1 2402 Ant1 1.2 0 Pass NVNT 2-DH1 2441 Ant1 1.22 0 Pass NVNT 2-DH1 2480 Ant1 1.21 0 Pass NVNT 3-DH1 2402 Ant1 1.2 0 Pass NVNT 3-DH1 2441 Ant1 1.21 0 Pass NVNT 3-DH1 2480 Ant1 1.19 0 Pass Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China. Report No.: TBR-C-202301-0087-14 Page: 14 of 67 FCC ID: 2A58W-G17 TB-RF-074-1.0 Test Graphs -20dB Bandwidth NVNT 1-DH1 2402MHz Ant1 -20dB Bandwidth NVNT 1-DH1 2441MHz Ant1 Shenzhen Toby Technology Co., Ltd. Http://www.tobylab.cn Add：1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District…

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Shenzhen Toby Technology Co., Ltd. Report No.: TBR-C-202301-0087-14 Page: 1 of 49 TB-RF-074-1.0 1/F.,Building 6, Rundongsheng Industrial Zone, Longzhu, Xixiang, Bao'an District, Shenzhen, Guangdong, China Tel: +86 75526509301 Fax: +86 75526509195 Radio Test Report FCC ID: 2A58W-G17 Report No. : TBR-C-202301-0087-14 Applicant : Dongguan Heng Da Rui Electronic Technology Co.,Ltd Equipment Under Test (EUT) EUT Name : Wireless Earbuds Model No. : G17 Series Model No. : G3, G5, G7, G16, G18, G19, G20, S3, S5, S7, S16, S17, S18, S19, S20, H1, C17, X07 Brand Name : ---- Sample ID : 202301-0087-8-1#& 202301-0087-8-2# Receipt Date : 2023-03-17 Test Date : 2023-03-17 to 2023-03-31 Issue Date : 2023-04-03 Standards : FCC Part 15 Subpart C 15.247 Test Method : ANSI C63.10: 2013 KDB 558074 D01 15.247 Meas Guidance v05r02 Conclusions : PASS In the configuration tested, the EUT complied with the standards specified above. Witness Engineer : Seven Wu Engineer Supervisor : Ivan Su Engineer Manager : Ray Lai This report details the results of the testing carried out on one sample. The results contained in this test report do not relate to other samples of the same product. The manufacturer should ensure that all products in series production are in conformity with the product sample detailed in the report. Report No.: TBR-C-202301-0087-14 Page: 2 of 49 TB-RF-074-1.0 Contents CONTENTS ............................................................................................................................................. 2 1. GENERAL INFORMATION ABOUT EUT ............................................................................. 6 1.1 Client Information ................................................................................................................. 6 1.2 General Description of EUT (Equipment Under Test) ................................................... 6 1.3 Block Diagram Showing the Configuration of System Tested ...................................... 8 1.4 Description of Support Units .............................................................................................. 8 1.5 Description of Test Mode .................................................................................................... 9 1.6 Description of Test Software Setting .............................................................................. 10 1.7 Measurement Uncertainty ................................................................................................ 10 1.8 Test Facility ......................................................................................................................... 11 2. TEST SUMMARY ..................................................................................................................... 12 3. TEST SOFTWARE ................................................................................................................... 12 4. TEST EQUIPMENT .................................................................................................................. 13 5. CONDUCTED EMISSION ....................................................................................................... 15 5.1 Test Standard and Limit .................................................................................................... 15 5.2 Test Setup ........................................................................................................................... 15 5.3 Test Procedure ................................................................................................................... 15 5.4 Deviation From Test Standard ......................................................................................... 16 5.5 EUT Operating Mode ........................................................................................................ 16 5.6 Test Data ............................................................................................................................. 16 6. RADIATED AND CONDUCTED UNWANTED EMISSIONS ............................................ 17 6.1 Test Standard and Limit .................................................................................................... 17 6.2 Test Setup ........................................................................................................................... 19 6.3 Test Procedure ................................................................................................................... 20 6.4 Deviation From Test Standard ......................................................................................... 21 6.5 EUT Operating Mode ........................................................................................................ 21 6.6 Test Data ............................................................................................................................. 21 7. EMISSIONS IN RESTRICTED BANDS ............................................................................... 22 7.1 Test Standard and Limit .................................................................................................... 22 7.2 Test Setup ........................................................................................................................... 22 7.3 Test Procedure ................................................................................................................... 23 7.4 Deviation From Test Standard ......................................................................................... 25 Report No.: TBR-C-202301-0087-14 Page: 3 of 49 TB-RF-074-1.0 7.5 EUT Operating Mode ........................................................................................................ 25 7.6 Test Data ............................................................................................................................. 25 8. 99% OCCUPIED AND 20DB BANDWIDTH ......................................................................…

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FCC ID: 2A58W-G17 TB-RF-074-1.0 Appendix V EUT Test Photographs Photo of Setup for Radiated Emission (30MHz~1GHz) Photo of Setup for Radiated Emission (Above 1 GHz) FCC ID: 2A58W-G17 TB-RF-074-1.0 Photo of Setup for Conducted Emission -----END OF REPORT-----