PAAC Proficient Alpha Acquisition Corporation

Name of Issuer:

The name of the issuer is Borqs Technologies, Inc (f/k/a Pacific Special Acquisition Corp.) (the " Company ").

Address of Issuer's Principal Executive Offices:

The Company's principal executive offices are located at 855 Pudong South Road, The World Plaza, 27 ^th Floor, Pudong, Shanghai, China 200120

Name of Person Filing:

This statement is filed by Polar Asset Management Partners Inc., a company incorporated under the laws on Ontario, Canada, which serves as the investment manager to Polar Multi Strategy Master Fund, a Cayman Islands exempted company (" PMSMF "), with respect to the Shares (as defined below) directly held by PMSMF.

Address of Principal Business Office or, if None, Residence:

The address of the business office of the Reporting Person is 401 Bay Street, Suite 1900, PO Box 19, Toronto, Ontario M5H 2Y4, Canada.

Citizenship:

The citizenship of the Reporting Person is Canada.

Title and Class of Securities:

Ordinary shares (the " Shares ")

CUSIP No.:

G1466B 103

Item 3.

If this statement is filed pursuant to §§ 240.13d-1(b) or 240.13d-2(b) or (c), check whether the person filing is a:

Broker or dealer registered under Section 15 of the Act;

Bank as defined in Section 3(a)(6) of the Act;

Insurance company as defined in Section 3(a)(19) of the Act;

Investment company registered under Section 8 of the Investment Company Act of 1940;

An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);

An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);

A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);

A savings associations as defined in Section 3(b) of the Federal Deposit Insurance Act (12 U.S.C. 1813);

A church plan that is excluded from the definition of an investment company under section 3(c)(14) of the Investment Company Act of 1940;

A non-U.S. institution in accordance with Rule 240.13d-1(b)(1)(ii)(J);

Group, in accordance with Rule 240.13d-1(b)(1)(ii)(K).

The percentages used herein are calculated based upon 30,804,635 Shares outstanding as of August 18, 2017 reported in the Current Report on Form 8-K filed by the Company with the Securities and Exchange Commission on August 18, 2017.

The information required by Items 4(a) - (c) is set forth in Rows 5 - 11 of the cover page for the Reporting Person and is incorporated herein by reference.

Ownership of Five Percent or Less of a Class.

If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities, check the following [x].

Ownership of more than Five Percent on Behalf of Another Person.

Not applicable.

Identification and classification of the subsidiary which acquired the security being reported on by the parent holding company or control person.

Not applicable.

Identification and classification of members of the group.

Not applicable.

By signing below the Reporting Peron certifies that, to the best of its knowledge and belief, (i) the securities referred to above were acquired and are held in the ordinary course of business and were not acquired and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect and (ii) the foreign regulatory schemes applicable to investment fund managers and broker-dealers are substantially comparable to the regulatory schemes applicable to the functionally equivalent U.S. institutions. The Reporting Person also undertakes to furnish to the Commission staff, upon request, information that would otherwise be disclosed in a Schedule 13D.