2BDAQ-K1Smart visual ear pick

故障排除 故隍 拭 决方 法 开机没反应 古 充 使 电 用 时配长4它5 的 分 充 钟 电 线 进行 充 电． 摄慎头不克灯 采耳棒关机重启 APP闪退 切蚊现有APP,重新扫措二维田 进行安装 访在剩余电量用完晌． 使 用纪孛 电源播示灯快闪 的充电线 为 朵苠棹充帕 产员品示成实 功 时 违 影 幢 像 APP后未 院正常 将平机与呆耳棹W1Fi的违接断开 ， 豐兄采耳棒，重新连幢W旧 W旧还栈不稳定，台时攸几秒忡 更启呆耳棹，更新迁授APP ·断开r 苍饮贱以上漫 我 作 们 仍 会 宋 进 娑一麟 步 决 为 问 也 . 提供 . -it. 切 与 实 O 可 、 行 ha 的 心 斛 I 决 ap 方 p 案 客层欢符氐系 有害物质 邹件 有害物质 名称 铅 "' 谓 六价铭 多渍联苯 多淳环言孺 (P b ) (H g ) (Cd) (Ct(Vlj) (PBB) (PBDE) 印刷窀汴组件 X 。 。 。 。 。 外壳 。 。 。 。 。 。 塑胶 。0 0 。 。 。 幛胶配件 本表褐喂耐SJ斤,,,.,.,膺定石制 O拿示瀛行言瞻震石壤幕忭．行均票材符中的含量均在G压，芯m义""良宽们扈量夏东以下 x囊汀 、 谌右言神威蛊少在值挪钵虳纂门威材料申食．楚G°""'",on蟆震虳.... 产品参数 品牌 O haitai 产品名称 智能可视采耳橾 产品型号 k16 主机豆云 60g 网络标准 IEEE80211b/g 天线 内置天线 工作频率 2 4Ghz 图像传绘速率 20fps 图像传感器 CMOS 工作环境温度 -10 -45七 电池 200mAh锺电池 电池续航时间 约60分钟 充电时长 约45分钟 输入电流 DC SVO 镜头互径 35mm 最佳焦距 15 -20,r 景深 10 -som 清晰度 1000万 陀螺仪 6 轴 注意事项 1 、清洁饶头时，建议使用专业石精棉签小心擦拭。 2 、使用前请观察周图，请勿在有人跑动的环块下使用产品，以免 撞击。 3 、本产品不适干3周岁以下儿童使用。 4、禁止儿重单独使用本产品，以免不惊造成伤害。 5 、请勿将主机机身宜于液体中使用，以免浸水造成损坏。 6、产品内笠聚合物电池，如不经常使用，也须每月充电一次。 7、请使用sv的充电情给设备充电，在充电状态下，禁止使用此设备。 8 、遐免产品暴霖在阳光下宜晒，以免软化。 9、使用时，产品温度会轻彶上升（最高不超过35七），清放心使用。 售后保修 用户信息 用户姓名： 联系电话： 收件地址 ： 销售商次： 联系电话： O'haitai O'haitai 高品生活，采耳享受 开启O'haitai app 。 。 扫描二维码下载APP 打开APP 进入WIFI连接操作 、 ` — J - i o·• 血i 哎，未聂授 长按电源键 开启采耳棒 —长桉1秒开机， 充电口处亮蓝灯 连接产品 wifi o e e 手机连接产品WIFI 返回操作界面进入采耳操作界面 选 择 "HB Y- ... ．．．“ 点 击 “ 开 始 ” 空 更换耳勺硅胶套 向下弃进耳勺头， 力度适中 ll* 务必在到 位再使用 产品配件 。 硅胶耳勺套若干个 采耳流畅不伤耳 1 x 0 吐 充 三 产品尺寸 136.5mm I I 39mm Troubleshooting Product parameters ''"" ,e,ol,eot No ,e,poose whee t,.oed oo p""'"'"'、,M.,00,ogOOo,gog ""'''"'ha,gog,Cha,g,og '"戊'"""m'"""' c,me"'°"'"°'"'"'"P Ea< p,ckmg <od ""ldowo aod'""" APP Fla,hBack UnmS,all>hee小s,mgappand ,escan'" O R code'"""' Please"'"冈ma1Ch,oga,,,,令 Powe, 叩�-回"•"'"""叹,,.,,I bolo『•"""',p <ho ,oma,omg powo, Tho Cha,gmg Imo" fo, cha,glog<heea,,od '"··-· 知., • ·=·-··�·"• D,s,oooe«<he phooe l,om叩 ．什.. ,�.. u•••�""K''心..... ...'"'"'" w旧，Re,1ao lhe , ...... .,,, __ ,., 1 .... 心""''"''°'°"""" W,FI w,F, coooectioo ts ,osto b le, some,,m., 10<0 low ,ocoods I "'"'"'"""'"""'引"""" It , do,cooooctod , ecooooct lo !ho APP Connect product wifi Product accessories II oho p,oblomoannoo bo ,osol,od b y lollow,ng oho abo,o soop, ,, • .,.'°"'"'0 、 心,,.,•PP moome, ,e�,o, we w,u'"""" ''°"'°''" w,oh'"'""'and lea s,ble'°'""°"' Hazardous substances H az扣aoussuos1anc:es par1s ,.,, "-· “习鲁yal@• T 芯:::: - o,me ... '"""凡.. (PO) (Hg) (Cd) (Cr(VI)) (PBB) (PBOE) printedc1『CUit X 。 。 。 。 。 a,sembly h心sing 。 。 。 。 。 。 R p u la b s b li e c r 。0 0 。 。 。 •«euone, 归切以.., ....... 缸心"'扣巳... . "归'""归..切,,,.. O句心矶..叩,.,._M,o,归岫m心虹叩心"""心l叩屯叩叩石喇..归 “甲崎"情一巾,_,,鹹�-一·印帜戊心怕"""'""六" X吓芯...,, 心归-""'"归归,.如，叫,... -... 归幻叩．如，叩，田-�,... ., .. w, 一，．真_,.,,.-,,帜扣,.,.,.,_,... OM元"'"'" b<and Prnduct Name p『oductmodel Host weight Netwo,k standa<ds antenna wo,klng l<equency Image l<ansm,ss,oo ,ate ,magc sonso, Working叩叩onmeotlempetalu『e-10-45七 Battery hfo About 60 mlnulos Cha,gmg do,ation lnputc,,,ent Lons d,amoto, Op1,mal local lon91h Deplh or held dofinitoon gy,oscopo Oha心l S mart,s"'I'" p心 K1 60g lntc,nat antenna 2 4Ghz 201ps CMOS About 45 m,n"'e' DC SVO SA 3.5mm Note 1. When cleaning lhe lens, it is ,ecommended lo use a p,oless,onal alcohol cotton swab to wipe ,t ca,efully. 2. Belore use, please obse,ve the su,,oundings and do nol use lhe p,oducl in an envi,onmenl whe,e people am running, lo avoid lmpacl 3. This p,oducl is not swlable to『use by chdd,en undo, the age of 3 4. Children a,e p,oh,bited from using th,s producl alone lo avo,d accidenlal inj 叩 5 Do nol use the hoSI body in 1,qu,d to avoid damage caused by , mme,sion. 6. The p,oduct is equipped wilh a bu,11-m polyme心atte,y,which must be cha,ged once a monlh if nol frequently used. 7. Please use a SV charger to charge Iha device. II is proh,bited lo use this device while It is in a cha,ging stale. 8. Avo,d e,posing the product to duect sunl,ght to avo,d softening 9. When usmg, the p,oduct tempe,atu,e may slightly mc,ease ( up to 35七） ， please,est assu,ed ol use After sales warranty user 1nlormat,on User Name: Con1ac1 number De1;,e,y add,ess Salos mo『chant Coolacl n,mbe< O'haitai O'haitai High quality life, ear picking enjoyment open O'haitai app 。 Enable scanning OR code download a pp 。 Open APP Long press the power button Enler WIFI conneclion operation Open lhe ear pocking rod 、 ` — ＿ ＿ l, O' h心 如禾聂侵 P,.,, ,od hold to, I mood to'"'" oo the do, 比6 81"'light at tho'""''"• po,t 。 吟，"""""''"·'•"'"'心I Ro111m101h, 叩o,011oom10,,江,En10nhrn,p比'"' w"" 沁心噜 "t<Bv- ····••• C心koo飞”“ ． 中辱""00"'"'拭；． MO<lo,,o,,o,,oglh 。 ．心-�工1 Replace the silicone sleeve of the ear spoon 1o,.,, lhe'" spooo head dowow.,a,, i 。 Be SU『eto cover it Bil reuse 0 f) Several silicone ear spoons Charging cable X 1 Smooth eat p,ck,ng w,thout damag,ng the eat Product size ｀ 136.5mm I I 39mm IEEE 802.11b/g/ n 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 anten…

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(Shenzhen O'haitai Technology Co., Ltd) (October 23, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(i) request for (FCC ID: 2BDAQ-K1) [Shenzhen O'haitai Technology Co., Ltd] (“the applicant”) certifies that the equipment for which authorization is sought is not “covered” equipment prohibited from receiving an equipment authorization pursuant to section 2.903 of the FCC rules. Sincerely, (Applicant signature) (Applicant printed name) Deng junping (Shenzhen O'haitai Technology Co., Ltd) (October 23, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: Attestation Statements Part 2.911(d)(5)(ii) request for (FCC ID: 2BDAQ-K1) [Shenzhen O'haitai Technology Co., Ltd] (“the applicant”) certifies that, as of the date of the filing of the application, the applicant is not identified on the Covered List as an entity producing “covered” equipment. Sincerely, (Applicant signature) (Applicant printed name) Deng junping

Shenzhen O'haitai Technology Co., Ltd Model Difference Data：October 23, 2023 Product description: Smart visual ear pick Model name: K1, K2, K3, K4, K5, K6, K7, K8, K9, K10 Trade Name: O'haitai FCC ID: 2BDAQ-K1 All the model are the same circuit and RF module, except model names . Regards Sincerely Client’s signature : Client’s name / title : Deng junping（Technology） Contact information / address：5F, Building A, Aquatic Sanwei Industrial Park, No. 5003, Baoan Avenue, Sanwei Community, Hangcheng Street, Baoan, Shenzhen, Guangdong, China

Shenzhen O'haitai Technology Co., Ltd (October 23, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: CONFIDENTIALITY REQUEST FOR (Smart visual ear pick / K1, K2, K3, K4, K5, K6, K7, K8, K9, K10 / FCC ID: 2BDAQ-K1) 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 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 required to be submitted with this application be permanently withheld from public review. 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. Please contact me if there is any information you may need. Sincerely, Signature: Name: Deng junping Title: Technology

Shenzhen O'haitai Technology Co., Ltd (October 23, 2023) Eurofins Electrical and Electronic Testing NA, Inc. 914 West Patapsco Avenue Baltimore, MD 21230 RE: LETTER OF AGENT AUTHORIZATION To Whom It May Concern: We, the undersigned, hereby authorize (Shenzhen CTB Testing Technology 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, Signature: Name: Deng junping Title: Technology

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 3 Model: K1 External Photos Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 3 Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 3

FCC ID LABEL: Label Location: FCC ID: 2BDAQ-K1 Model No.: K1

Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 3 Model: K1 Internal Photos Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 3 ANT Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 3 of 3

Shenzhen CTB Testing Co., Ltd. FCC ID: 2BDAQ-K1 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. 2.4GWIFI: 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 2.412 7.96 6.257±18.006.31<51.959833.00YES 2.437 8.047 6.388±19.007.94<52.480033.00YES 2.462 7.994 6.307±18.006.31<51.980043.00YES 2.412 6.816 4.806±17.005.01<51.556753.00YES 2.437 6.996 5.016±17.005.01<51.564803.00YES 2.462 6.73 4.716±17.005.01<51.572803.00YES 2.412 6.363 4.336±17.005.01<51.556753.00YES 2.437 6.439 4.406±17.005.01<51.564803.00YES 2.462 6.611 4.586±17.005.01<51.572803.00YES 2.422 6.322 4.296±17.005.01<51.559973.00YES 2.437 6.454 4.426±17.005.01<51.564803.00YES 2.452 6.282 4.256±17.005.01<51.569603.00YES 802.11b 802.11g 802.11n( HT20) 802.11n( HT40) Conclusion: For the max result : 2.48003≤ FCC Limit 3.0 for 1g SAR.

高畅电子科技有限公司 SPECIFICATION FOR APPROVAL 20111101 File No . 1.0 Rev ision CUSTOMER: ______________________________________ CUSTOMER NO: ______________________________________ 2.4G Antenna L=28MM PART NAME: ______________________________________ 01.026.000003 SUPPLIER NO: _____________________________________ Date:Q’TY: PCS CUSTOMER APPROVED BY APPROVALCHIEFSUPERVISOR SUPPLIER SIGNATURE APPROVALCHECK DESIGN SH-RD-F04-A Gaochangelectronictechnologyco.LTD 承认书项目表 NO. （ Contents ） 1 （ Spec Cover ） 2 （ Spec Item ） 3 （ Drawing ） 4 （ Test Reports ） 5 （ S Parameter ） 6 （ GainTest ） 7 8 9 10- 11- 12- -- -- -- （ Number （ Page of Page ） Code ） 11 12 13 14 15 16 Theprojecttable TestReports Frequency Impedance V.S.W.R Return Loss Radiation Gain (Peak) Cable Loss Polarization Admitted Power Connector Electrical Properties 2.4GHz 50 0hm Nominal 1.92 : 1 Max -10 dB Max Omni-directional 1.94 dBi 1.5 dB / m Max @ 2450 MHz Linear, Vertical 1 W PhysicalProperties Antenna MaterialTUBE Cable Type The wire// L= 32mm Operating Temp.-10 ~ +60 ̊C Storage Temp.-10 ~ +70 ̊C Cable ColorBLACK SParameterTest AgilentE5071C GainTest Antenna Radiation Pattern VS Gain 90 -5 135 45 -15 -25 -35 -45 -35 -25 -15 -5 180 0 225315 270 Efficiency

TEST REPORT Compiled by: Reviewed by: Approved by: Zhou Kui Arron Liu Bin Mei / Director Note: If there is any objection to the inspection results in this report, please submit a written report to the company within 15 days from the date of receiving the report. 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. “*” indicates the testing items were fulfilled by subcontracted lab. “#” indicates the items are not in CNAS accreditation scope. Product Name: Smart visual ear pick FCC ID: 2BDAQ-K1 Trademark: O'haitai Model Number: K1, K2, K3, K4, K5, K6, K7, K8, K9, K10 Prepared For: Shenzhen O'haitai Technology Co., Ltd Address: 5F, Building A, Aquatic Sanwei Industrial Park, No. 5003, Baoan Avenue, Sanwei Community, Hangcheng Street, Baoan, Shenzhen, Guangdong, China Manufacturer: Shenzhen O'haitai Technology Co., Ltd Address: 5F, Building A, Aquatic Sanwei Industrial Park, No. 5003, Baoan Avenue, Sanwei Community, Hangcheng Street, Baoan, Shenzhen, Guangdong, China Prepared By: Shenzhen CTB Testing Technology Co., Ltd. Address: 1&2/F., Building A, No.26, Xinhe Road, Xinqiao, Xinqiao Street, Bao'an District, Shenzhen, Guangdong, China Sample Received Date: Oct. 09, 2023 Sample tested Date: Oct. 09, 2023 to Oct. 17, 2023 Issue Date: Oct. 17, 2023 Report No.: CTB231017001RFX Test Standards FCC Part15.247 ANSI C63.10:2013 Test Results PASS Remark: This is WIFI-2.4GHz band radio test report. Shenzhen CTB Testing Technology Co., Ltd. Report No.: CTB231017001RFX Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 62 TABLE OF CONTENT Test Report Declaration Page 1. VERSION .......................................................................... 3 2. TEST SUMMARY ................................................................... 4 3. MEASUREMENT UNCERTAINTY ..................................................... 5 4. PRODUCT INFORMATION AND TEST SETUP .......................................... 6 4.1 Product Information .................................................................... 6 4.2 Test Setup Configuration ............................................................... 6 4.3 Support Equipment .................................................................... 6 4.4 Channel List .......................................................................... 7 4.5 Test Mode ............................................................................ 7 4.6 Test Environment ...................................................................... 7 5. TEST FACILITY AND TEST INSTRUMENT USED ....................................... 8 5.1 Test Facility ........................................................................... 8 5.2 Test Instrument Used .................................................................. 8 6. AC POWER LINE CONDUCTED EMISSION ............................................ 10 6.1 Block Diagram Of Test Setup .......................................................... 10 6.2 Limit ................................................................................ 10 6.3 Test procedure ....................................................................... 10 6.4 Test Result .......................................................................... 12 7. RADIATED SPURIOUS EMISSION ................................................... 14 7.1 Block Diagram Of Test Setup .......................................................... 14 7.2 Limit ................................................................................ 14 7.3 Test procedure ....................................................................... 15 7.4 Test Result .......................................................................... 16 8. BAND EDGE AND RF COUNDUCTED SPURIOUS EMISSIONS .......................... 38 8.1 Block Diagram Of Test Setup .......................................................... 38 8.2 Limit ................................................................................ 38 8.3 Test procedure ....................................................................... 38 8.4 Test Result .......................................................................... 39 9. COUDUCTED OUTPUT POWER ..................................................... 46 9.1 Block Diagram Of Test Setup .......................................................... 46 9.2 Limit ................................................................................ 46 9.3 Test procedure ....................................................................... 46 9.4 Test Result .......................................................................... 47 10. 6DB OCCUPIED BANDWIDTH ....................................................... 48 10.1 Block Diagram Of Test Setup ......................................................... 48 10.2 Limit ............................................................................... 48 10.3 Test procedure ...................................................................... 48 10.4 Test Result ......................................................................... 49 11. POWER SPECTRAL DENSITY ...................................................... 54 11.1 Block Diagram Of Test Setup ......................................................... 54 11.2 Limit ............................................................................... 54 11.3 Test procedure ...................................................................... 54 11.4 Test Result ......................................................................... 55 12. ANTENNA REQUIREMENT ......................................................... 60 13. EUT TEST SETUP PHOTOGRAPHS .................................................. 61 (Note: N/A m…

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Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 1 of 2 Model:K1 Radiated Emission Below 1G Above 1G Shenzhen CTB Testing Technology Co., Ltd. Report Tel: 4008-707-283 Web: http://www.ctb-lab.net Page 2 of 2 Conducted emissions