S8UHT-821Smart watch

维护保养 表示该有害物质在该部件所有均质材料中的含量均在GB/T 26572规定的限量要求下。 表示该有害物质至少在该部件的某一均质材料中的含量超出GB/T 26572规定的限量要求，且目前业界 没有成熟的替代方案，符合欧盟RoHS指令环保要求。 本表格依据SJ/T 11364的规定编制 请保持设备及其配件干燥。请勿使用微波炉或吹风机等外部加热设备对其进行干燥处理。 请定期使用常温清水清洗设备，以免藏污纳垢、滋生细菌。 请勿在温度过高或过低区域放置设备及其配件，否则可能导致设备故障、着火或爆炸。 请勿使设备及其配件受到强烈冲击或震动，以免损坏设备及其配件，导致设备故障。 请避免在烈日暴晒、高温、潮湿以及明火附件的环境下使用设备。 请勿使用烈性化学制品、清洁剂或强洗涤剂清洁设备或其配件。 请勿让儿童或动物咀嚼或吞咽设备 请与经销处或购买点联系售后服务。非人为的质量问题7天包退，15天包换，1年保修。产品保修起始日期以发票或收据 开具日期为准。人为的质量问题包括但不限于以下情况： 售后保修 部件名称 保修期限 服务方式 手表主体（不含表带） 其他（表带、配件、赠品等） 1年(含)免费保修 不予保修 用户送修/寄修 磁力充电座 半年(含)免费保修 用户送修/寄修 无 退换货或送修前，请核对如下“√”内容是否准备齐全。 √ √ √ √ √ √ 退货 换货 维修 主机、配件齐全 包装完整 √ √ √ 发票或者收据赠品(若有) 用户存根联 用户姓名: 通讯地址: 产品型号: 购机日期: 售机单位电话: 售机单位地址: 用户电话 序列号(SN): 发票号码: 售机单位名称(加盖公章)： 请勿将本设备及其附件作为普通的生活垃圾处理。 请遵守本设备及其附件处理的本地法令，并支持回收行动。 产品有害物质的名称和含量 环境保护 有害物质 部件名称 手表主体 电池 表带 座充 铅(Pb) 汞(Hg) 镉(Cd) 多溴二苯醚 (PBDE) 多溴联苯 (PBB) 经销商存根联 用户姓名: 通讯地址: 产品型号: 购机日期: 售机单位电话: 售机单位地址: 用户电话: 序列号(SN): 发票号码: 售机单位名称(加盖公章)： 合格证 资料仅供参考，如有变更，恕不另行通知！ 注意： 本保修卡只适用于上述所列序列号的主机的三包服务。 请妥善保管此保修凭证，享受三包服务时请出示此凭证及发票或收据。 此凭证需由销售单位盖章后才能生效。 人为损坏属于非保范围。 免责申明 本手册中的内容均“按照现状”提供，除非适用法要求，本公司对本手册中的所有内容不提供任何明示或 暗示的保证，包括但不限于适销性或适用于某一特定目的的保证。 在适用法律允许的范围内，本公司在任何情况下都不对使用本手册相关内容及本手册描述的产品而产生 的任何特殊的、附带的、间接的、继发性的损害进行赔偿，也不对任何利润、数据、商誉或预期节约的损失 进行赔偿。 在相关法律允许的范围内，在任何情况下本公司对您因使用本手册描述的产品而遭受的损失的最大责任 （除在涉及人身伤害的情况中根据适用的法律规定的损害赔偿外）以您购买本产品所支付的价款为限。 本产品所涉及心率、心电、体温、血压、血氧等健康体征数据仅作为参考，不作为医疗诊断依据。 警告 防护等级 手表满足IP68防护等级要求，适用于洗手、淋雨等日常防水情况。 严禁用于潜水或游泳池或滨海游泳场等水域的水上活动。 严禁用于热水淋浴、温泉、桑拿（蒸汽室）、跳水、滑水、面对高速水流的其他涉水活动及深水活动。 可防起居室、办公室、实验室、轻工业工作室、仓储室等灰尘条件，严禁在特殊的扬尘环境使用。 擅自拆装，改装手表等造成的故障。 因过失或误用导致的损坏。例如:主机进水，外力震裂，不慎跌落，外壳刮痕、损坏等。 请必须提供填有购买日期并加盖购买处印章的保修卡, 或者加盖购买处印章的发票或收据，不能提供上述证明者， 不予免费保修。 1. 2. 3. 手表充电 手表随附的配件有磁力充电底座，将充电座USB 数据线连接至正规厂商生产的电源充头或者电脑 USB接口。将手表 的充电馈点对准并贴合充电底座的金属触点，直到手表屏幕出现充电电量指示。完全无电状态充电时需要持续充电 30秒左右才会在屏幕显示充电状态。 请使用包装内自带专用充电座充电，充电前确认手表充电触点干净、完整。 请使用额定输出电压5V 1A 及以上的正规厂商充电器或电脑USB 接口为手表充电。 在两小时左右即可将手表充满电，当充电指示显示100%表示电已充满。 连接蓝牙通话功能： （1）方式一：绑定设备后，进入app，点击 个人中心>开关设置>蓝牙通话>开始设置，选择搜索到的HT-821,点击配对, 在弹出的蓝牙配对请求，同意通讯录的访问权限，再点击配对，则蓝牙通话功能配对成功。 （2）方式二：从手表进入蓝牙通话界面，搜索蓝牙设备，找到手机蓝牙名称并与之配对，手机端点同意配对请求，配对 成功后在手机蓝牙菜单界面显示有两个蓝牙设备已连成功。 快捷功能键 触摸屏 （背面） 外观及功能介绍开关机说明 关机状态下，长按电源键开机。 关机状态下，连接充电器进行充电时，手表自动开机。 超低电量开机时，需先连接充电器为手表充电30秒方可正常开机。 开机 开机状态下，长按电源键关机。 超低电量振动提醒后手表自动关机。 关机 开机状态下，进入功能菜单，选择设置 > 恢复出厂。 恢复出厂设置后，手表会自动重启，重启后手表会与手机解除绑定，且所有用户数据清零。 恢复出厂 安装APP 支持操作系统5.0及以上版本； IOS： Android： 支持操作系统8.0及以上版本； 扫描右方二维码 或AppStore、安卓应用市场搜索“航通守护星”进行下载安装 配对功能 心率传感器 电源键 充电馈点 扬声器 功能菜单界面时上下滑浏览功能菜单 表盘界面时左滑进入功能菜单 选择/确认 返回/表盘界面时右滑进入运动功能 点击 上下滑 左滑 麦克风 分别打开手机和手表的蓝牙开关（手表的蓝牙开关：左滑手表主界面>设置>蓝牙设置）。 连接手机app：登录后进入app,点击 个人中心>绑定设备，在手环配对页面可选设备列表中选择点击HT-821,搜 索附近蓝牙名称为HT-821_LE的设备，选择您要配对的设备，手表和手机将自动配对并同步数据。 1. 2. 3. HT-821 快速入门 蓝牙通话手表 It means that the content of this hazardous substance in all homogeneous materials of this part is under the limit requirements stipulated in GB/T26572. It means that the content of the hazardous substance in at least one homogeneous material of the component exceeds the limit requirements stipulated in GB/T26572, and there is currently no mature alternative in the industry, which meets the environmental protection requirements of the EU RoHS directive. This form is prepared in accordance with the provisions of SJ/T11364 Please keep the equipment and its accessories dry. Don’t dry it with external heating equipment such as microwave oven or hair dryer. Please use normal temperature clean water cleaning equipment regularly to avoid dirt and bacteria. Do not place the device and its accessories in areas where the temperature is too high or too low. Otherwise, the device may malfunction, catch fire, or explode. Do not subject the device and its accessories to strong shocks or vibrations, so as not to damage the device and its accessories and cause the device to malfunction. Please avoid using the device in the environment of hot sun, high temperature, humidity and open flame accessories. Please contact the after-sales service of the sales office or point of purchase. Non-man-made quality problems are refunded with in 7 days, replaced within 15 days, and guaranteed for 1 year. The product warranty start date is based on the date of invoice or receipt. Artificial quality problems include but are not limited to the f ollowing situations: After-sales service Part name Warranty period Service Watch(Not including watch strap) Others(including watch strap/gifts) 1-year limited Warranty Half a year limited Warranty Not Under Warranty Delivery Magnetic desktop charger / Please check whether the following √ is ready before returning or replacing the goods or sending them to be repaired. √ √ √ √ √ √ Returned purchase Refund purchase Service Watch and accessories complete Giftbox unopened √ √ √ InvoiceGifts Warranty message Please do not dispose of this device and its accessories as ordinary household waste. Please comply with local laws and regulations regarding the handling of this device and its accessories, and support recycling operations. Name and content of hazardous substances Hazardous substances Part name Watch cases Battery Watch strap Desktop charger Pb Hg Cd PBDEPBB The information is for reference only and is subject to change without notice! Attention: This warranty card is only applicable to the three-guarantee service of the host with the serial number listed above. Please keep this warranty certificate properly, and please show this certificate and invoice or receipt when enjoying the three guarantees service. This certificate needs to be stamped by the sales unit before it becomes effective. Man-made damage is not covered by the warranty. Disclaimer Environmental protection The contents of this manual are provided according to the status quo. Unless required by applicable law, the company does not provide any express or implied guarantees for all contents in this manual, including but not limited to the guarantee of marketability or for a specific purpose. To the extent permitted by applicable laws, the company will not use the relevant contents of this manual and the products described in this manual under…

Text truncated - open the document above for the full version.

Sinocastel Co., Ltd. Model Difference Product description: Smart watch Model name: HT-821, HT-811, HT-822, HT-812, HT-823, HT-813, HT-824, HT-814, HT-825, HT-815, HT-826 Trade Name: Lite Guardian FCC ID: S8UHT-821 All the model are the same circuit and RF module, only for model name. Regards Sincerely Client’s signature: Client’s name / title : Xiaojuan Hang (Project commissioner) Contact information / address: 501A, Building 11, Shenzhen Software Park, Kejizhong Middle Road, High-tech Middle District, Yuehai Street, Nanshan District, Shenzhen, China

C5266091_X8_Ed.1 Letter of Authorization Sinocastel Co., Ltd. Company: Sinocastel Co., Ltd. Address: 501A, Building 11, Shenzhen Software Park, Kejizhong Middle Road, High-tech Middle District, Yuehai Street, Nanshan District, Shenzhen, China Product Name: Smart watch Model Number: HT-821 FCC Identifier: S8UHT-821 We authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, to act on our behalf on all matters concerning the above named equipment. Any individual within LGAI Technological Center S.A. is authorized to act on our behalf and take action on the application. We declare that authorize LGAI Technological Center S.A., Ronda de la Font del Carme, s/n, 08193 Bellaterra, Spain, 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 LGAI Technological Center S.A. on our behalf shall have the same effect as acts of our own. Name: Xiaojuan Hang Date: Mar.09.2021 Title: Project commissioner Signature of applicant: 1/1

C5266091_X10_Ed.2 Sinocastel Co., Ltd. Office of Engineering Technology Federal Communications Commission 7435 Oakland Mills Road Columbia, MD 21046 Date: Mar.09.2021 Subject: Request for Confidentiality FCC ID: S8UHT-821 To Whom It May Concern, Pursuant to the provisions of Sections 0.457 and 0.459 of Commission's rules (47CFR0.457, 0.459), we are requesting the Commission to withhold the following attachment(s) as confidential document from public disclosure. Exhibits Long-Term Confidentiality Short-Term Confidentiality NOTE 2 ID Label/Location No No Attestation Statement No No External Photos No ☐ Block Diagram ☒ ☐ Schematics ☒ ☐ Test Report No No Test Setup Photos No ☐ User’s Manual ☐ NOTE 1 ☐ Internal Photos ☐ NOTE 1 ☐ Parts List / Tune Up ☐ ☐ RF Exposure Info No No Operational Description ☒ ☐ Cover Letter(s) No No SDR Software / Security Info ☐ No NOTE 1: Long-Term Confidentiality may be permitted under special conditions (See II. LONG-TERM CONFIDENTIALITY, Section 3 of KDB 726920, use last in force) NOTE 2: Short-Term Confidentiality can be requested for a maximum of 180 days from the date of the grant. Above mentioned document contains detailed system and equipment description are considered as proprietary information in operation of the equipment. The public disclosure of above documents might be harmful to our company and would give competitor an unfair advantage in the market. In case of short-term Confidentiality, the applicant requests the exhibits selected above are withheld from public view for a period of ______ days from the date of the Grant of Equipment Authorization and prior to marketing. It is our understanding that all measurement test reports, FCC ID label format and correspondent during certification review process cannot be granted as confidential documents and those information will be available for public review once the grant of equipment authorization is issued. 1/1 C5266091_X10_Ed.2 Sincerely, Signature: Name: Xiaojuan Hang Title: Project commissioner 1/1

External Photos FCC ID: S8UHT-821

Model: HT-821 FCC ID: S8UHT-821 Label Location

Internal Photos FCC ID: S8UHT-821 ANT MT2502

Shenzhen CTB Testing Co., Ltd. FCC ID:S8UHT-821 Portable device According to §15.247(e)(i) and §1.1307(b)(1), systems operating under the provisions of this section shall be operated in a manner that ensures that the public is not exposed to radio frequency energy level in excess of the Commission’s guidelines. According to KDB447498 D01 General RF Exposure Guidance V06 The 1-g SAR and 10-g SAR test exclusion thresholds for 100 MHz to 6 GHz at test separation distances ≤ 50 mm are determined by: [(max. power of channel, including tune-up tolerance, mW)/(min. test separation distance, mm)]·[√f(GHZ)] ≤ 3.0 for 1-g SAR and ≤ 7.5 for 10-g extremity SAR, where: • f(GHZ) is the RF channel transmit frequency in GHz • Power and distance are rounded to the nearest mW and mm before calculation • The result is rounded to one decimal place for comparison When the minimum test separation distance is < 5 mm, a distance of 5 mm is applied to determine SAR test exclusion. BT: Modulation Channel Freq. (GHz) Conduct ed power (dBm) Conducte d power (mW) Tune-up power (dBm) Max tune-up power (dBm) Max tune-up power (mW) Distance (mm) Result calculatio n SAR Exclusion threshold SAR test exclusion 2.402 2.4451.763±14.002.51<50.778603.00YES 2.4412.462 1.763±14.002.51<50.784903.00YES 2.4801.703 1.482±13.002.00<50.628433.00YES 2.402 2.294 1.703±14.002.51<50.778603.00YES 2.4412.262 1.683±14.002.51<50.784903.00YES 2.4801.5731.442±13.002.00<50.628433.00YES 2.402 2.4381.753±14.002.51<50.778603.00YES 2.4411.421.392±13.002.00<50.623473.00YES 2.4800.721.181±12.001.58<50.499183.00YES GFSK- EDR Pi/4 DQPSK- EDR 8DPSK BLE: Modulation Channel Freq. (GHz) Conduct ed power (dBm) Conducte d power (mW) Tune-up power (dBm) Max tune-up power (dBm) Max tune-up power (mW) Distance (mm) Result calculatio n SAR Exclusion threshold SAR test exclusion 2.402-0.4740.900±11.001.26<50.390233.00YES 2.44-1.442 0.72-1±10.001.00<50.312413.00YES 2.480-2.111 0.62-2±1-1.000.79<50.250183.00YES GFSK- BLE Conclusion: For the max result : 0. 78490W/Kg ≤ FCC Limit 3.0 for 1g SAR.

Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB210301032RFX TEST REPORT Compiled by: Reviewed by: Approved by: Arron Liu Bin Mei Rita Xiao / Director The test report is effective only with both signature and specialized stamp. This result(s) shown in this report refer only to the sample(s) tested. Without written approval of Shenzhen CTB Testing Technology Co., Ltd. this report can’t be reproduced except in full. The tested sample(s) and the sample information are provided by the client. Product Name: Smart watch FCC ID: S8UHT-821 Trademark: N/A Model Number: HT-821, HT-811, HT-822, HT-812, HT-823, HT-813, HT-824, HT-814, HT-825, HT-815, HT-826 Prepared For: Sinocastel Co., Ltd. Address: 501A, Building 11, Shenzhen Software Park, Kejizhong Middle Road, High-tech Middle District, Yuehai Street, Nanshan District, Shenzhen, China Manufacturer: Sinocastel Co., Ltd. Address: West Zone, 8th Floor, Building A2, Longmark Technology Industrial City, Shixinshe District, Shiyan Street, Baoan District, Shenzhen, China Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: Floor 1&2, Building A, No. 26 of Xinhe Road, Xinqiao Street, Baoan District, Shenzhen China Sample Received Date: Mar. 1, 2021 Sample tested Date: Mar. 1, 2021 to Mar. 6, 2021 Issue Date: Mar. 6, 2021 Report No.: CTB210301032RFX Te s t Standards FCC Part15.247 ANSI C63.10:2013 Test Results PASS Remark: This is Bluetooth radio test report. Report Tel: 4008-707-283Web: http://www.ctb-lab.netPage 1 of 36 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB210301032RFX TABLE OF CONTENT Test Report Declaration Page 1. VERSION ...................................................................................................... 4 2. TEST SUMMARY ........................................................................................... 5 3. MEASUREMENT UNCERTAINTY .................................................................. 6 4. PRODUCT INFORMATION AND TEST SETUP ............................................... 7 4.1 Product Information ............................................................................................. 7 4.2 Test Setup Configuration ..................................................................................... 7 4.3 Support Equipment .............................................................................................. 7 4.4 Channel List ........................................................................................................ 8 4.5 Test Mode ........................................................................................................... 8 4.6 Test Environment ................................................................................................ 8 5. TEST FACILITY AND TEST INSTRUMENT USED .......................................... 9 5.1 Test Facility ......................................................................................................... 9 5.2 Test Instrument Used .......................................................................................... 9 6. AC POWER LINE CONDUCTED EMISSION ................................................... 11 6.1 Block Diagram Of Test Setup ............................................................................ 11 6.2 Limit ................................................................................................................... 11 6.3 Test procedure .................................................................................................. 11 6.4 Test Result ........................................................................................................ 13 7. RADIATED SPURIOUS EMISSION............................................................... 15 7.1 Block Diagram Of Test Setup ............................................................................ 15 7.2 Limit ................................................................................................................... 15 7.3 Test procedure .................................................................................................. 16 7.4 Test Result ........................................................................................................ 17 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS ................... 24 8.1 Block Diagram Of Test Setup ............................................................................ 24 8.2 Limit ................................................................................................................... 24 8.3 Test procedure .................................................................................................. 24 8.4 Test Result ........................................................................................................ 25 9. COUDUCTED PEAK OUTPUT POWER ........................................................ 27 9.1 Block Diagram Of Test Setup ............................................................................ 27 Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 36 Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB210301032RFX 9.2 Limit ................................................................................................................... 27 9.3 Test procedure .................................................................................................. 27 9.4 Test Result ........................................................................................................ 28 10. 6DB OCCUPIED BANDWIDTH ..................................................................... 30 10.1 Block Diagram Of Test Setup .......................................................................... 30 10.2 Limit ................................................................................................................. 30 10.3 Test procedure ................................................................................................ 30 10.4 Test Result ...........…

Text truncated - open the document above for the full version.

Radiated Emission Below 1G Above 1G FCC ID: S8UHT-821 Conducted Emission