FCC ID: 2AJVKSF306 Smart Bracelet

Smart bracelet User manual 1,Introduction of main part 2,power on / off button Long press power on/off button for around 4 seconds to power on/off. 3,charging Both hands hold on to both sides of the fitness band movement,pull strap a bit and take the fitness band movement,then find USB side,it is micro 5pin USB charging. 4,Install LEFUN HEALTHAPP on your phone A,scan below QR code to download APP. B,search "Lefun Health" APP on IOS APP store or android market to download and install APP. 5,download and install APP. After download APP in mobile phone,turn on mobile phone bluetooth,there is a MAC data on smart bracelet interface,find it to connect bracelet with mobile phone APP. For the first time connect APP,bracelet will sync time,date automatically.

(1) After pairing bluetooth,APP will save bluetooth ID,when open APP bluetooth will connect automatically.

(2)android mobile phone please make sure to allow APP to access. 6,APP functions and settings:

(1)personal data setting:

in APP,find my data, can set your personal informations: gerder,time system,birthday,height,weight, target step,calorie,mileage.

(2)messages reminding:

when mobile phone have incoming calls,bracelet will have vibration and show call number,when have SMS, wechat,QQ,facebook messages,bracelet will also have vibration to remind you.

(3)synchronize all data:

here to sync step,sleep monitor,kilometer,heart rate, calories,blood pressure datas.

(4)band display setting:

Here to set bracelet different interface display:steps, calorie,heart rate,blood pressure,MAC,mileage,find phone.

(5)band function setting:

Sedentary reminder:set time interval, bracelet will have vibration to remind you on time. Drinking reminder: set time interval,device will remind you to drink water. Smart anti-lost:turn it on,when bluetooth disconnected,bracelet will remind you. Screen on upon raising:turn it on,when raise hand,will wake up bracelet screen. Shake for selfie:turn it on,open up mobile phone camera APP,shake bracelet as a remote control to take pictures.

(6)smart alarm:set alarm here.

(7)search device:while connecting Bluetooth with bracelet,click here bracelet will have viberation reminder 7,FCC Caution:

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.

Foto Electric Supply Co., INC. 2021.08.18 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern:

We, the undersigned, hereby authorize Shenzhen BCTC Testing Co., Ltd to act on our behalf in all matters relating to application for equipment authorization, including the signing of all documents relating to these matters. We also hereby certify that no party to the application authorized hereunder is subject to the denial of benefits, including FCC benefits, pursuant to Section 5301 of the Anti-Drug Abuse Act of 1988, 21 U.S.C.853(a). This agreement expires one year from the current date. Sincerely, Clients signature:

Clients name / title : Jared Melnicoff / Director Sourcing Contact information / address: 1 Rewe St. Brooklyn, New York, 11211, USA

Foto Electric Supply Co., INC. 2021.08.18 Eurofins Electrical and Electronic Testing NA, Inc. 914 W. Patapsco Avenue Baltimore, MD 21230 USA RE: CONFIDENTIALITY REQUEST FOR EUT NAME: Smart Bracelet Trademark:

MODEL : SF306 FCC ID: 2AJVKSF306 To Whom It May Concern:

This letter serves as an official request for confidentiality under sections 0.457 and 0.459 of CFR 47. We have requested that the

- Block Diagram

Schematics

- Operational Description required to be submitted with this application be permanently withheld from public review. 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. Please contact me if there is any information you may need. Sincerely, Clients signature:

Clients name / title : Jared Melnicoff / Director Sourcing Contact information / address: 1 Rewe St. Brooklyn, New York, 11211, USA