2AHN6-AUBE220BE Earbuds w/PB-ASST

BY-AU-BE-220-AC This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment .

Bytech NY Inc. 2585 West 13th Street,Brooklyn NY 11223, NewYork, United States Tel: 718‐449‐3700 |Fax: 718‐449‐2488 E‐mail: [email protected] Date: 2021/01/06 To: FEDERAL COMMUNICATIONS COMMISSION Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 We, Bytech NY Inc. hereby declare that： Product Name: BE Earbuds w/PB-ASST Model No: BY-AU-BE-220-AC FCC ID: 2AHN6-AUBE220 For BT Mode: BLE 1M/2M are disable by software. For Below are activated: Bluetooth BDR(GFSK) , EDR(π/4‐DQPSK), EDR(8DPSK) Except for the manufacturer, the end user does not have any capability to Modify /change the RF parameters. We acknowledge that it is the Manufacturer’s responsibility to provide the radio configurations to ensure compliance with Commission’s rules. Sincerely Yours, Signature: Printed Name: Soli Mizrahi Title: President

Y1:26MHZ MIC RF AB5376A2 speaker KEY CHRGE LED

Bytech NY Inc. 2585 West 13th Street,Brooklyn NY 11223,New York, United States Tel: 718-449-3700 | Fax: 718-449-2488 E-mail: [email protected] Declaration Date: 01/06/2021 To whom it may concern: Our product, BE Earbuds w/PB‐ASST, Model number: BY‐AU‐BE‐220‐AC, FCC ID: 2AHN6‐AUBE220 is a twins earphone that has left earphone and right earphone. We would like to declare that the left earphone and right earphone are identical in the Antenna & RF circuits. So only choose the one of two earphones to test. Sincerely Yours, Signature: Printed Name: Soli Mizrahi Title: President

Bytech NY Inc. 2585 West 13th Street,Brooklyn NY 11223, NewYork, United States Tel: 718‐449‐3700 |Fax: 718‐449‐2488 E‐mail: [email protected] 2021‐01‐06 FCC certification No. Cover Letter We, Bytech NY Inc., hereby submit justification for placing the FCC certification No. in the associated user’s manual and charging case. According to the FCC regulation, the FCC certification No. should be printed on the earbuds, but as the earbuds are too small to print the label (FCC ID: 2AHN6-AUBE220), it will be moved to the user manual and charging case. The details are as below: A. Top cover (A): The plastic of the top cover does not provide enough physical space to fit the printing of the FCC ID according to below reference picture. B. Area (B): The plastic of the top cover does not provide enough physical space to fit the printing of the FCC ID according to below reference picture. Conclusion Based on the above description of area A to B, we conclude that the device is unquestionably too small for enabling the FCC ID to be printed onto any surface; we therefore request to move the FCC ID to the User manual and charging case. Sincerely Yours, Signature: Printed Name: Soli Mizrahi Title: President

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201225834-RF Page 1 of 6 EXHIBIT B - EUT EXTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201225834-RF Page 2 of 6 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201225834-RF Page 3 of 6 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201225834-RF Page 4 of 6 Charging Box Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201225834-RF Page 5 of 6 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201225834-RF Page 6 of 6 Cable

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201225834-RF EXHIBIT A - FCC ID LABEL AND LOCATION FCC ID Label FCC ID Label Location Information The label shown shall be permanently affixed at a conspicuous location on the device and be readily visible to the user at the time purchase (Labeling requirements per 2.925)

Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201225834-RF Page 1 of 3 EXHIBIT C - EUT INTERNAL PHOTOGRAPHS Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201225834-RF Page 2 of 3 Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201225834-RF Page 3 of 3 BT Antenna

Circuit Description The equipment under test is a 2.4GHz transceiver with 79 channels operating at 2402‐2480 MHz. It is powered by 3.7V DC(1 Li‐battery).It connects to the Wii console by Bluetooth protocol. Channel List(Unit: MHz) 2402 2403 2404 2405 2406 2407 2408 2409 2410 2411 2412 2413 2414 2415 2416 2417 2418 2419 2420 2421 2422 2423 2424 2425 2426 2427 2428 2429 2430 2431 2432 2433 2434 2435 2436 2437 2438 2439 2440 2441 2442 2443 2444 2445 2446 2447 2448 2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474 2475 2476 2477 2478 2479 2480 Modulation Type: GFSK, π/4-DQPSK, 8DPSK Antenna Type: Multilayer chip antenna Antenna Gain: 0dBi The function of main Components are mentioned as below: 1) U3 acts as Bluetooth ic. 2) Y1 acts as crystal 26MHz.

C B A C D 654321 D B A ••• ••• •••••••••• ••• D2 RED D1 BLUE C4 uj €X 26M C5 [^\ jXX YY\ jXY XW\ j_ XW\ s\ uj s] XU\—m s^ Wy jX\ XW\ C1 YY\ L1 XW|o iR iT sR C2 _UYw sT C3 _UYw kw 0 E-GND 16 ADC10/MIC/PF2 9 BT_ANT 1 AGND 17 VCMBUF 19 VDDDAC 20 VDDPA 8 PWRKEY 4 VBAT 5 LX 18 DACL#/VCMBUF 15 ADC2/PA7 14 ADC5/PB3 13 ADC6/PB4 11 BT_OSCI 12 BT_OSCO 10 BTAVDD 7 VDDBT 6 DGND 2 VUSB 3 VDDIO U3 AB5376A2 QFN20 R2 WyVuj kjR kjT yZ ZUZr 1 1 2 2 3 3 ANT j` XW[ 12 MIC GND C6 X]y C7 XrgXWWto CHRG_LED VUSB CHRG_LED PWRKEY VBAT DACL khjsJ BLUE_LED DACL DACL# MICIN BLUE_LED VDDBT VDDIO VBAT VDDBT VDDDAC VUSB MICIN PWRKEY

Note: This report may contain data that are not covered by the A2LA accreditation and are marked with an asterisk “★”. BACL is not responsible for the authenticity of any test data provided by the applicant. Data included from the applicant that may affect test results are marked with an asterisk ’*’. Customer model name, addresses, names, trademarks etc. are not considered data. This report cannot be reproduced except in full, without prior written approval of the Company. Unless otherwise stated the results shown in this test report refer only to the sample(s) tested. This report is valid only with a valid digital signature. The digital signature may be available only under the Adobe software above version 7.0. FCC PART 15.247 TEST REPORT For Bytech NY lnc. 2585 West 13th Street, Brooklyn NY 11223, New York, USA. FCC ID: 2AHN6-AUBE220 Report Type: Original Report Product Type: BE Earbuds w/PB-ASST Re port Number: RSZ201225834-00 Re port Date: 2021-01-21 Reviewed B y: Nancy Wang RF Engineer Prepared By: Bay Area Compliance Laboratories Corp. (Shenzhen) 6/F., West Wing, Third Phase of Wanli Industrial Building, Shihua Road, Futian Free Trade Zone, Shenzhen, Guangdong, China Tel: +86-755-33320018 Fax: +86-755-33320008 www.baclcorp. com.cn Bay Area Compliance Laboratories Corp. (Shenzhen) Report No.: RSZ201225834-00 FCC Part 15.247 Page 2 of 56 TABLE OF CONTENTS GENERAL INFORMATION ....................................................................................................................................... 4 PRODUCT DESCRIPTION FOR EQUIPMENT UNDER TEST (EUT) ..................................................................................... 4 OBJECTIVE ................................................................................................................................................................... 4 TEST METHODOLOGY .................................................................................................................................................. 4 MEASUREMENT UNCERTAINTY .................................................................................................................................... 5 TEST FACILITY ............................................................................................................................................................. 5 SYSTEM TEST CONFIGURATION .......................................................................................................................... 6 DESCRIPTION OF TEST CONFIGURATION ...................................................................................................................... 6 EUT EXERCISE SOFTWARE .......................................................................................................................................... 6 SPECIAL ACCESSORIES ................................................................................................................................................. 6 EQUIPMENT MODIFICATIONS ....................................................................................................................................... 6 SUPPORT EQUIPMENT LIST AND DETAILS .................................................................................................................... 6 EXTERNAL I/O CABLE .................................................................................................................................................. 6 BLOCK DIAGRAM OF TEST SETUP ................................................................................................................................ 6 SUMMARY OF TEST RESULTS ............................................................................................................................... 7 TEST EQUIPMENT LIST ........................................................................................................................................... 8 FCC§15.247 (i), §1.1307 (b) (1) &§2.1093 – RF EXPOSURE ........................................................................................ 9 APPLICABLE STANDARD .............................................................................................................................................. 9 FCC §15.203 – ANTENNA REQUIREMENT .......................................................................................................... 10 APPLICABLE STANDARD ............................................................................................................................................ 10 ANTENNA CONNECTOR CONSTRUCTION .................................................................................................................... 10 FCC §15.207 (a) – AC LINE CONDUCTED EMISSIONS ..................................................................................... 11 APPLICABLE STANDARD ............................................................................................................................................ 11 EUT SETUP ................................................................................................................................................................ 11 EMI TEST RECEIVER SETUP ....................................................................................................................................... 11 TEST PROCEDURE ...................................................................................................................................................... 11 CORRECTED FACTOR & MARGIN CALCULATION ....................................................................................................... 12 TEST DATA ................................................................................................................................................................ 12 FCC §15.205, §15.209 & §15.247(d) – RADIATED EMISSIONS ........................................................................... 15 APPLICABLE STANDARD .…

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Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201225834-RF Page 1 of 2 EXHIBIT D - TEST SETUP PHOTOGRAPHS Conducted Emissions - Front View Conducted Emissions - Side View Bay Area Compliance Laboratories Corp. (Shenzhen) Project No.: RSZ201225834-RF Page 2 of 2 Radiated Emissions View (Below 1 GHz) Radiated Emissions View (Above 1 GHz)