FCC ID: 2AMSUBTTB1 Bluetooth Trackball Mouse

Reference No.: WTH21X06053355W Page 1 of 11 ANNEX EXHIBIT 1 - PRODUCT LABELING Proposed FCC ID Label Format Specifications: The label shall be securely affixed to a permanently attached part of the device, in a location where it is visible or easily accessible to the user, and shall not be readily detachable. The label shall be sufficiently durable to remain fully legible and intact on the device in all normal conditions of use throughout the devices expected lifetime. Proposed Label Location on EUT FCC ID Label Location Waltek Testing Group (Shenzhen) Co., Ltd. Http://www.waltek.com.cn

SANWA LIMITED Room 1005, 10/F., Tower 2, Silvercord3 0 Canton Road, Tsim Sha Tsui, Kowloon, Hong Kong, China Date: 2021-06-22 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 FCC ID: 2AMSUBTTB1 Confidentiality Request To whom it may concern, Pursuant to Sections 0.457 and 0.459 of the Commissions Rules, we hereby request confidential treatment of the information accompanying this application as outlined below:

] Block Diagram L] Tune-Up Information

>] Operational Description CL) Security Information

&] Schematics L} Software Defined Radio (SDR) CJ Parts List Information The above materials contain trade secrets and proprietary information not customarily released to the public. The public disclosure of these materials may be harmful to the applicant and provide unjustified benefits to its competitors. The applicant understands that pursuant to Section 0.457 of the Rules, disclosure of this application and all accompanying documentation will not be made before the date of the Grant for this application. Sincerely, SANWA LIMITED

(Yuzo Yamada)

(Manager)

SANWA LIMITED Room 1005, 10/F., Tower 2, Silvercord3 0 Canton Road, Tsim Sha Tsui, Kowloon, Hong Kong, China

(FCC ID + 2AMSUBTTB1) POWER OF ATTORNEY DATE: 2021-06-22 Federal Communications Commission Authorization and Evaluation Division 7435 Oakland Mills Road Columbia, MD 21046 To Whom It May Concern:

We, the undersigned, hereby authorize Waltek Testing Group (Shenzhen) Co., Ltd. Jandy So on our behalf, to apply to the Federal Communications Commission on our equipment. Any and all acts carried out by Waltek Testing Group (Shenzhen) Co., Ltd. Jandy So on our behalf shall have the same effect as acts of our own. This is to advise that we are in full compliance with the Anti-Drug Abuse Act. We, SANWA LIMITED are not subject to a denial of federal benefits pursuant to Section 5301 of the Anti-Drug Act of 1988, 21 USC853a, and no party to the application is subject to a denial of federal benefits pursuant to that section. Sincerely, SANWA LIMITED

(Yuzo Yamada)

(Manager)