FCC ID: PRSSPBP51 Bluetooth Headset

To activate paring mode:

1. OFF mode: Press and hold MFB to start paring mode

(LED blinks red and blue promptly ) 2. ON mode: press MFB twice to start paring mode

(LED blinks red and blue promptly) Once successfully paired, press the MFB once to automatically pair up again if Bluetooth gets disconnected through long distance. Low battery is indicated by red blinking LED and voice prompt. LED will be solid red when charging, and turn blue once fully charged. Press Double press Press and hold SP-BP51 Default setting Hold and press Press and hold MFB for 1 sec Double press Press Double press SP-BP51 SP-BP51 Press and hold Press and hold Double press press Press and hold MFB for 1 sec Press MFB and hold for 1 sec when calling 3. Back to phone1, search for SP-BP51 and press to reconrm connection. Now youve nished Multi-

point Connection. SP-BP51 SP-BP51 1. Please refer to How to Connect and pair it with phone1, then turn o the Bluetooth earphone. 2. Press and hold MFB until LED blinks red and blue. On phone2, search for SP-BP51 and press to connect. Press MFB to answer incoming call on phone1. Meanwhile, if there is another incoming call on phone2, press MFB to activate call on phone2 while putting the rst call on hold. Double press MFB to switch between active and held calls. Specications Blast Plug BP51 Press and hold SP-BP51 SP-BP51 1. Please read this manual carefully prior to using the device and keep the manual properly. 2. For rst time use, please fully charge both cell phone and earphone. The LED will indicate a solid red if the earphone has low battery and cannot be powered on. 3. Please be sure that your Bluetooth earphone is in pairing mode" if it cannot be spotted on your cell phone. The device will exit "pairing mode" if unpaired or unconnected for a long time. Then you may need to set it to "pairing mode" again. If any error occurs in cell phone or this device, please restart your cell phone or earphone, or reset earphone to its default setting. 4. Low battery is indicated by red blinking LED and voice prompt. LED will be solid red when charging, and turn blue once fully charged. The charging time is around 2 hours. Please note: Bad contact caused by improper operation or other reasons may switch o the LED light even when charging, which will result in incomplete charge. So please plug in the USB charger properly and keep the device stable while charging until it is fully charged. 5. This earphone cannot connect via Bluetooth while charging. Warnings 1. Never disassemble or modify your Bluetooth earphones for any reasons to avoid any damage and danger. 2. Do not store the Bluetooth earphones in extreme temperatures

(under 0 or over 45). 3. Avoid using the indicator close to the eyes of children or animals. 4. Do not use this Bluetooth earphone during a thunderstorm to avoid irregular function and increased risk of electric shock. 5. Do not use harsh chemicals or strong detergents to clean the Bluetooth earphone. 6. Keep the Bluetooth earphone dry. Caution: Please arrange usage time properly, as long time use can damage hearing. 7. If the cap is not closed completely, the water resistant performance may deteriorate and cause a malfunction. For any after service please contact:

UStech@silicon-power.com Blast Plug BP51 Bluetooth Headset Press and hold Press and hold press Press RoHS&

Label Artwork and Location Model: Blast Plug BP51 Label:

FCC ID: PRSSPBP51 Size: L*W=20*6mm Label Location

SILICON POWER COMPUTER &

COMMUNICATION INC. Letter of Authorization Company:

Address:

SILICON POWER COMPUTER & COMMUNICATION INC. 7F, No. 106, Zhouzi St., Neihu District, Taiwan Taipei City, 114 Taiwan PRSSPBP51 Product Name: Bluetooth Headset Model Number: Blast Plug BP51 FCC Identifier:

We authorize MiCOM Labs Inc, 575 Boulder Court, Pleasanton, California 94566, USA, to act on our behalf on all matters concerning the above named equipment. Any individual within MiCOM Labs is authorized to act on our behalf and take action on the application. We declare that MiCOM Labs Inc, 575 Boulder Court, Pleasanton, California 94566, USA, is allowed to forward all information related to the approval project to the Federal Communication Commission and to discuss any issues concerning 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. Name: Alex Hsu Signature of applicant:

Date: 2018. 01. 15

Dongguan Hele Electronics Co., Ltd. PRSSPBP51 Request for 2.933 Change in identification of equipment Date:2018-01-15 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject:

Reference:

Gentlemen, This letter grants authorization for representatives of SILICON POWER COMPUTER &

COMMUNICATION INC. to apply for a change in identification as specified under 47CFR 2.933(b) of the Rules. This authorization applies to (RDR), with FCC ID (RDRQY31) with a Grant Date of (01/10/2018) We are aware that (SILICON POWER COMPUTER & COMMUNICATION INC.) intends to market the above referenced product under their own FCC ID. Thanks and Best Regards, Signature:

Name: Weiqiang Ye Company Name : Dongguan Hele Electronics Co., Ltd. Address: Dalingya Industrial Zone, Daojiao Town, Dongguan City, Guangdong, 523181 China Tel / Fax: +86-769-82529917/+86-769-22008010 E-Mail: yeweiqiang@qcymall.com

SILICON POWER COMPUTER & COMMUNICATION INC. Date:2018-01-15 Gentlemen, SILICON POWER COMPUTER & COMMUNICATION INC. daclare that it is the only different between the original FCC ID (RDRQY31) and the new FCC ID (PRSSPBP51). The product model is changed, the product name is the same, and there is no change in the design, circuitry or construction and the original test results have been done to this product. Thanks and Best Regards, Signature Name: Alex Hsu Company Name: SILICON POWER COMPUTER & COMMUNICATION INC. Address: 7F, No. 106, Zhouzi St., Neihu District, Taiwan Taipei City, 114 Taiwan Tel / Fax: +886-2-8751-5277-26/+886-2-8751-6595 E-Mail: Alex_Hsu@silicon-power.com

SILICON POWER COMPUTER & COMMUNICATION INC. PRSSPBP51 Request for 2.933 Change in identification of equipment Date:2018-01-15 Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 USA Subject:

Reference:

Gentlemen, SILICON POWER COMPUTER & COMMUNICATION INC. Ltd requests a Change in Identification for a currently approved device. This application will establish a new FCC ID for purpose of marketing. The original Grant for RDR, under FCC ID: RDRQY31 with a Grant Date of 01/10/2018 will remain in effect. An authorization letter from the original Grantee is attached. We attest that the equipment is electrically identical. Only the model name, trade name, and FCC ID are different.The original test results are applicable and continue to be representative of this device. The following files are provided as attachments:

Cover letter giving permission from original Applicant for Change in ID External photos showing no physical changes to this device New FCC identification label and its location. Thanks and Best Regards, Signature Name: Alex Hsu Company Name: SILICON POWER COMPUTER & COMMUNICATION INC. Address: 7F, No. 106, Zhouzi St., Neihu District, Taiwan Taipei City, 114 Taiwan Tel / Fax: +886-2-8751-5277-26/+886-2-8751-6595 E-Mail: Alex_Hsu@silicon-power.com