2BDT7-BTX5050Wireless Keyboard

%& WindowsAndroidiOS DelEsc End PgDn Home PgUp Control Alt Option Alt OptionCommand Command 1 2 Indicator Analysis In connected condition, if the blue indicator keep flashing at 0.5 second frequency, please use the charging cable to charge the keyboard till the red indicator off . Switching Between Devices Low battery reminder Power Management If the keyboard is not in use, the keyboard will go into sleep mode after 20 minutes , Simply press any key to wake up the keyboard, It will take 3-5 seconds to reconnect to the device selected. Please contact the after-sales service. It is forbidden to reproduce any part of this quick start guide without the permission of seller. Do not open or repair this device, do not use the device in a damp environment. Clean the device with a dry cloth. The device is provided with one-year limited hardware warranty from the purchase day. Troubleshooting Copyright Safety instructions Warranty Keyboard Maintenance 1.Please keep the keyboard away from liquid or humid environment, saunas swimming pool, steam room and don’t let the keyboard get wet in the rain. 2.Please don’t expose the keyboard at too high or too low temperature condition. 3.Please don’t put keyboard under sun for a long time. 4.Please don’t put keyboard close to the flame, such as cooking stoves, candles or fireplace. 5.Avoid shard objects scratching products. Note: Press Fn and Q (iOS), W (Android) or E (Windows) keys together to shift between iOSAndroid or Windows systems after connected successfully with a corresponding device. Otherwise the keyboard’s function key will only be partial valid. Keyboard size : 368x162x(9-20)mm Working distance : ~10m Working voltage : 3.2~4.2V Operation current : <2mAno backlight Standby current : <0.5mAno backlight Sleep current : <50uA Sleep time : 20 minutes Awaken way : click any key to awaken Functional Key Technical Specifications Note: 1. This keyboard is perfect for smartphone, laptop, desktop, compatible with iOS , Android and Windows operation system. 2. Please charge the keyboard about 2 hours before using. 3. Please read the user manual carefully before you start using this product. 4. Function keys feature may have variations depending on the operation system version and devices. Wireless Keyboard For iOS/Android/Windows BTX5050, BK281B on Windows fn + on Windows Fn + on iOS on iOS fn+on Android Volume down Del F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 Del F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 Del F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 F11 F12 Brightness up Brightness downBrightness down on Android Next track Mute Mute Mute Next track Volume down Volume up Screen lock Brightness up Previous track Play/pause Select all Copy Paste Cutting Previous track Play/pause Select all Copy Paste Cutting Volume up Screen lock Home EscEscEscHome Browser Volume down Brightness up Brightness down Volume up Screen lock Key Select all Copy Paste Cutting Previous track Play/pause Next track You will be able to switch between your paired devices by selecting the appropriate assigned Bluetooth key“ Fn + ” or “ Fn + ” Wireless Keyboard can pair up to 2 different Bluetooth devices . Note: The time between switching devices will take approximately 2-4 seconds Charging indicator(red) Pairing indicator(blue) i.Power indicator(blue) iiLow battery indicator(blue) CapsLock indicator(blue) Pairing Multi-Pairing Bluetooth Keyboard 1.Slide the power switch to “ ON ”, the blue indicator will be on, long press“ Fn + ” key 3 seconds,the bluetooth keyboard will enter pairing condition while the blue indicator keep flashing at 0.25 second frequency. 2.Power on the device and select the setting icon on the screen, click it to enter the system preferences list. 3.Click the Bluetooth icon to enter the bluetooth device searching condition. 4.In the bluetooth device searching list,you can find the “Bluetooth Keyboard”, click it to connect . 5.After the device connect the bluetooth keyboard successfully, you can start to use the keyboard for typing freely. 6.Long press“ Fn + ” key 3 seconds,the bluetooth keyboard will enter pairing condition while the blue indicator keep flashing at 0.25 second frequency. 7.Foll ow steps 2-4 to pair additional Bluetooth devices. 1.When using Windows systems 2.When using Android system Touchpad Analysis MoveMove the cursor Finger slide One finger click Two fingers click click touchpad once Click right key once click touchpad once Click right key once Touchpad function Finger action picture Finger actionMouse function Move cursorOne finger Slide One/Two finger(s) click once or click twice Two fingers slide Slide to center from two sides Three finger click Three finger slid up Click once or Click twice Scroll on parallel or vertical Zoom out Open the cortana Open background window Slide to two sides from center Zoom in Touchpad function Finger action picture Finger action Show DesktopThree fingers slide down Three fingers slide to left Three fingers slide to right Backward Forward %& WindowsAndroidiOS DelEsc End PgDn Home PgUp Control Alt OptionCommand 1 2 Backlight Control 1. Turn on the backlight: After the keyboard is connected, press“ ” key to turn on the backlight. 2. Backlight brightness control: 3. Switch the backlight color Press “ ”key once to turn on the first level of backlight by default, press second time to turn on the second level of backlight, press the third time to turn on the third level of backlight, and press the fourth time to turn off the backlight, so as to cycle. After turning on the backlight, press “ ” key to switch the backlight color Available in 7 backlight colors 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 undesir ed operation. Warning: Changes or modifications not expressly approved by the party responsible for compliance could vo…

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- POLYGEAR TECH - The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. An expiration date for this letter does not exist. In case the U.S. agent changes, the grantee is obligated to notify the FCC within 30 days via the granting TCB. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 12/5/2023 U.S. Agent Designation [POLYGEAR TECH] acknowle dges their consent for the following contact located in the United States to act as their agent for service of process for the equipment for which authorization is sought (FCC ID: [2BDT7-BTX5050]): Name and company of U.S. agent: Stone Trading Limited Physical U.S. address of agent: 6547 N Academy Blvd #2266,Colorado Springs,CO 80918,United States FRN of U.S. agent: 0033401936 Email address of U.S. agent: Email:[email protected] [Stone Trading Limited] acknowledges their obligation to accept service of process on behalf of [POLYGEAR TECH]. [POLYGEAR TECH] with the FRN [0034548495] accepts its obligation to maintain an agent for service of process in the United States for no less than one year after either the grantee has permanentl y terminated all marketing and importation of the applicable equipment within the U.S., or the conclusion of any Commission-related administrative or judicial proceeding involving the equipment, whichever is later. By signing this form, we confirm th e above and that we are aware of the application requirements listed under § 2.911(d)(7). Sincerely, Signature [Name] CHANDRAMOULI THUMURUGOTI [Title] PROPRIETOR [Company] POLYGEAR TECH [Name of U.S. agent] Dongmei Fang [Title of U.S. agent] Manager [Company of U.S. agent] Stone Trading Limited 48_[mo del] US_Agent_2.911(d)(7) - U, V04

POLYGEAR TECH The information provided in this letter is based on the referenced rule parts of Title 47 of the CFR as well as KDB 986446 D01. Federal Communications Commission Authorization and Evaluation Division Equipment Authorization Branch 7435 Oakland Mills Road Columbia, MD 21046 12/5/2023 To whom it may concern: We, [POLYGEAR TECH], hereby certify that the equipment for which authorization is sought (FCC ID: [2BDT7-BTX5050]) is not “covered” equipment prohibited from receiving an equipment authorization pursuant to § 2.903 of the FCC rules. We also certify that, as of the date of the fi li ng of the application, we are not identified on the Covered List (https://www.fcc.gov/supplychain/coveredlist ) as an entity producing “covered” equipment. By signing this form, we confirm the above and that we are aware of the application requirements listed under § 2.911(b) and (d)(5) and (6). Sincerely, Signature [Name] CHANDRAMOULI THUMURUGOTI [Title] PROPRIETOR [Company] POLYGEAR TECH 62_[model] CoveredEqu_2.911(d)(5)(i) and (ii) - U, V02

Page 1 of 4 Report No.: 8134EU012102W-AB ANNEX B EXTERNAL PHOTOS PHOTO 1 PHOTO 2 Page 2 of 4 Report No.: 8134EU012102W-AB PHOTO 3 PHOTO 4 Page 3 of 4 Report No.: 8134EU012102W-AB PHOTO 5 PHOTO 6 Page 4 of 4 Report No.: 8134EU012102W-AB PHOTO 7 PHOTO 8 --- End ---

Label Location On EUT Label Product Name: Wireless Keyboard Model Number: BTX5050 FCC ID: 2BDT7-BTX5050 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 This device must accept any interference received, including interference that may cause undesired operation.

Page 1 of 5 Report No.: 8134EU012102W-AC ANNEX C INTERNAL PHOTOS PHOTO 1 PHOTO 2 Page 2 of 5 Report No.: 8134EU012102W-AC PHOTO 3 PHOTO 4 PCB Antenna Page 3 of 5 Report No.: 8134EU012102W-AC PHOTO 5 PHOTO 6 Page 4 of 5 Report No.: 8134EU012102W-AC PHOTO 7 PHOTO 8 Page 5 of 5 Report No.: 8134EU012102W-AC PHOTO 9 --- End ---

RF EXPOSURE EVALUATION FCC ID: 2BDT7-BTX5050 According to FCC 1.1310: The criteria listed in the following table shall be used to evaluate the environment impact of human exposure to radio frequency(RF) Radiation as specified in §1.1307(b): Routine SAR evaluation refers to that specifically required by §2.1093, using measurements or computer simulation. When routine SAR evaluation is not required, portable transmitters with output power greater than the applicable low threshold require SAR evaluation to qualify for TCB approval. Channel (MHz) Maximum output power (dBm) Tune up tolerance (dBm) Max Tune Up Power (dBm) Distance (mm) Calculation results Limit Operating Mode 2402 2.54 2.54±1 3.54 5 0.700 3 BLE 2440 2.73 2.73±1 3.73 5 0.738 3 2480 3.12 3.12±1 4.12 5 0.813 3 Test Results: PASS.

Page 1 of 28 Report No.: 8134EU012102W-AD ANNEX D TEST DATA For Project No.: 8134EU012102W Client: POLYGEAR TECH Product Description: Wireless Keyboard Model No.: BTX5050 FCC ID: 2BDT7-BTX5050 Technology: Bluetooth BLE Test Engineer: Test Date: 2023-11-27 Page 2 of 28 Report No.: 8134EU012102W-AD Test Summary Item Result Duty Cycle Pass Bandwidth Pass Maximum Conducted Output Power Pass Maximum Power Spectral Density Pass Unwanted Emissions In Non-restricted Frequency Bands Pass Unwanted Emissions In Restricted Frequency Bands Pass Page 3 of 28 Report No.: 8134EU012102W-AD 1. Duty Cycle 1.1 Ant1 1.1.1 Test Result Ant1 Mode TX Type Frequency (MHz) T_on (ms) Period (ms) Duty Cycle (%) Duty Cycle Correction Factor (dB) Max. DC Variation (%) 1M SISO 2402 0.114 0.610 18.69 7.28 0.16 2440 0.114 0.610 18.69 7.28 0.16 2480 0.099 0.611 16.20 7.90 0.17 Page 4 of 28 Report No.: 8134EU012102W-AD 1.1.2 Test Graph 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Page 5 of 28 Report No.: 8134EU012102W-AD 1M_HCH_2480MHz_Ant1_NTNV Page 6 of 28 Report No.: 8134EU012102W-AD 2. Bandwidth 2.1 OBW 2.1.1 Test Result Mode TX Type Frequency (MHz) ANT 99% Occupied Bandwidth (MHz) Verdict Result 1M SISO 2402 1 1.055 Pass 2440 1 1.057 Pass 2480 1 1.071 Pass Page 7 of 28 Report No.: 8134EU012102W-AD 2.1.2 Test Graph 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Page 8 of 28 Report No.: 8134EU012102W-AD 1M_HCH_2480MHz_Ant1_NTNV Page 9 of 28 Report No.: 8134EU012102W-AD 2.2 6dB BW 2.2.1 Test Result Mode TX Type Frequency (MHz) ANT 6dB Bandwidth (MHz) Verdict Result Limit 1M SISO 2402 1 0.727 >=0.5 Pass 2440 1 0.725 >=0.5 Pass 2480 1 0.726 >=0.5 Pass Page 10 of 28 Report No.: 8134EU012102W-AD 2.2.2 Test Graph 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Page 11 of 28 Report No.: 8134EU012102W-AD 1M_HCH_2480MHz_Ant1_NTNV Page 12 of 28 Report No.: 8134EU012102W-AD 3. Maximum Conducted Output Power 3.1 Power 3.1.1 Test Result Mode TX Type Frequency (MHz) Maximum Peak Conducted Output Power (dBm) Verdict ANT1 Limit 1M SISO 2402 2.54 <=30 Pass 2440 2.73 <=30 Pass 2480 3.12 <=30 Pass Page 13 of 28 Report No.: 8134EU012102W-AD 3.1.2 Test Graph 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Page 14 of 28 Report No.: 8134EU012102W-AD 1M_HCH_2480MHz_Ant1_NTNV Page 15 of 28 Report No.: 8134EU012102W-AD 4. Maximum Power Spectral Density 4.1 PSD 4.1.1 Test Result Mode TX Type Frequency (MHz) Maximum PSD (dBm/3kHz) Verdict ANT1 Limit 1M SISO 2402 -15.62 <=8 Pass 2440 -15.52 <=8 Pass 2480 -15.09 <=8 Pass Page 16 of 28 Report No.: 8134EU012102W-AD 4.1.2 Test Graph 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Page 17 of 28 Report No.: 8134EU012102W-AD 1M_HCH_2480MHz_Ant1_NTNV Page 18 of 28 Report No.: 8134EU012102W-AD 5. Unwanted Emissions In Non-restricted Frequency Bands 5.1 Ref 5.1.1 Test Result Mode TX Type Frequency (MHz) ANT Level of Reference (dBm) 1M SISO 2402 1 1.47 2440 1 1.64 2480 1 2.09 Note1: Refer to FCC Part 15.247 (d) and ANSI C63.10-2020, the channel contains the maximum PSD level was used to establish the reference level. Page 19 of 28 Report No.: 8134EU012102W-AD 5.1.2 Test Graph 1M_LCH_2402MHz_Ant1_NTNV 1M_MCH_2440MHz_Ant1_NTNV Page 20 of 28 Report No.: 8134EU012102W-AD 1M_HCH_2480MHz_Ant1_NTNV Page 21 of 28 Report No.: 8134EU012102W-AD 5.2 CSE 5.2.1 Test Result Mode TX Type Frequency (MHz) ANT Level of Reference (dBm) Limit (dBm) Verdict 1M SISO 2402 1 2.09 -27.91 Pass 2440 1 2.09 -27.91 Pass 2480 1 2.09 -27.91 Pass Note1: Refer to FCC Part 15.247 (d) and ANSI C63.10-2020, the channel contains the maximum PSD level was used to establish the reference level. Page 22 of 28 Report No.: 8134EU012102W-AD 5.2.2 Test Graph 1M_LCH_2402MHz_Ant1_NTNV 1M_LCH_2402MHz_Ant1_NTNV Page 23 of 28 Report No.: 8134EU012102W-AD 1M_MCH_2440MHz_Ant1_NTNV 1M_HCH_2480MHz_Ant1_NTNV Page 24 of 28 Report No.: 8134EU012102W-AD 1M_HCH_2480MHz_Ant1_NTNV Page 25 of 28 Report No.: 8134EU012102W-AD 6. Unwanted Emissions In Restricted Frequency Bands 6.1 RSE 6.1.1 Test Result Mode TX Type Frequency (MHz) ANT Level of Unwanted Emissions (dBm) Verdict Result Limit 1M SISO 2402 1 Refer To Test Graph Pass 2440 1 Refer To Test Graph Pass 2480 1 Refer To Test Graph Pass Page 26 of 28 Report No.: 8134EU012102W-AD 6.1.2 Test Graph 1M_LCH_2402MHz_Ant1_NTNV 1M_LCH_2402MHz_Ant1_NTNV Page 27 of 28 Report No.: 8134EU012102W-AD 1M_MCH_2440MHz_Ant1_NTNV 1M_HCH_2480MHz_Ant1_NTNV Page 28 of 28 Report No.: 8134EU012102W-AD 1M_HCH_2480MHz_Ant1_NTNV -------- End of Report -------

TEST REPORT Report No.: 8134EU012102W Applicant: POLYGEAR TECH Address: 23-106, MAIN BAZAR, MIRYALAGUDA, NALGONDA, TELANGANA, 508207, INDIA Product Name: Wireless Keyboard Model No.: BTX5050 Trademark: POLYGEAR FCC ID: 2BDT7-BTX5050 Test Standard(s): 47 CFR Part 15 Subpart C Date of Receipt: Nov. 21, 2023 Test Date: Nov. 21, 2023 –Nov. 30, 2023 Date of Issue: Dec. 05, 2023 ISSUED BY: SHENZHEN EU TESTING LABORATORY LIMITED Prepared by: Reviewed and Approved by: ____________________ _____________________ Mikey Zhu/ Engineer Sally Zhang/ Manager Page 2 of 32 Report No.: 8134EU012102W TRF No.: FCC Part 15 Subpart C_BLE (A01) Revision Record Report Version Issued Date Description Status V0 Dec. 05, 2023 Original Valid Page 3 of 32 Report No.: 8134EU012102W TRF No.: FCC Part 15 Subpart C_BLE (A01) Table of Contents 1 COVER PAGE .................................................................................................................................. 1 2 GENERAL INFORMATION ...................................................................................................................... 5 2.1 APPLICANT INFORMATION .................................................................................................................. 5 2.2 MANUFACTURER INFORMATION .......................................................................................................... 5 2.3 FACTORY INFORMATION ..................................................................................................................... 5 2.4 GENERAL DESCRIPTION OF E.U.T. ..................................................................................................... 5 2.5 TECHNICAL INFORMATION OF E.U.T. .................................................................................................. 6 3 TEST SUMMARY ...................................................................................................................................... 7 3.1 TEST STANDARD ............................................................................................................................... 7 3.2 TEST VERDICT ................................................................................................................................... 7 3.3 TEST LABORATORY ........................................................................................................................... 7 4 TEST CONFIGURATION .......................................................................................................................... 8 4.1 TEST ENVIRONMENT .......................................................................................................................... 8 4.2 TEST EQUIPMENT .............................................................................................................................. 8 4.3 DESCRIPTION OF SUPPORT UNIT ........................................................................................................ 9 4.4 TEST MODE ...................................................................................................................................... 9 4.5 MEASUREMENT UNCERTAINTY ........................................................................................................... 9 4.6 DEVIATION FROM STANDARDS ........................................................................................................... 9 4.7 ABNORMALITIES FROM STANDARD CONDITION ................................................................................... 9 5 TEST ITEMS ........................................................................................................................................... 10 5.1 ANTENNA REQUIREMENT .................................................................................................................. 10 5.1.1 Test Requirement ........................................................................................................... 10 5.1.2 Antenna Anti-Replacement Construction ........................................................................ 10 5.1.3 Antenna Gain .................................................................................................................. 10 5.2 CONDUCTED EMISSION AT AC POWER LINE ..................................................................................... 11 5.2.1 Test Requirement ........................................................................................................... 11 5.2.2 Test Setup Diagram ........................................................................................................ 11 5.2.3 Test Procedure ............................................................................................................... 11 5.2.4 Test Data......................................................................................................................... 11 5.3 DTS BANDWIDTH ............................................................................................................................ 14 5.3.1 Test Requirement ........................................................................................................... 14 5.3.2 Test Setup Diagram ........................................................................................................ 14 5.3.3 Test Procedure ............................................................................................................... 14 5.3.4 Test Data......................................................................................................................... 14 5.4 MAXIMUM CONDUCTED OUTPUT POWER .......................................................................................... 15 5.4.1 Test Requirement ........................................................................................................... 15 5.4.2 Test Setup Diagram ........................................................................................................ 15 5.4.3 Test P…

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version01 POLYGEAR TECH Declaration concerning Antenna Specification It i s hereby declared that the product Model No.: BTX5050 FCC ID: 2BDT7-BTX5050 fulfill s the requirement in FCC test relating to the antenna type. The device specified above confirms to the FCC recommendations for PCB antenna type(s) described below: Model No. of antenna: N/A_ Type of antenna: PCB Antenna Gain of the antenna: 1.43 dBi Frequency range: 2390-2490 MHz The mounting of the antenna is fixed to the radio module and no other antenna should be used. Company name: POLYGEAR TECH Address: 23-106, MAIN BAZAR, MIRYALAGUDA, NALGONDA, City: TELANGANA, 508207, ZIP / Postal code: Country: INDIA Place: Place: Date: 2023-12-05 Signature:

Page 1 of 2 Report No.: 8134EU012102W-AA ANNEX A TEST SETUP PHOTOS PHOTO 1 Conducted Emission PHOTO 2 Radiated Emission (Below 1GHz) Page 2 of 2 Report No.: 8134EU012102W-AA PHOTO 3 Radiated Emission ( Above 1GHz) --- End ---