I55-WLB902BLUETOOTH STEREO HEADSET

Merry Electronics (Taichung) Co., Ltd. Use Manual WLB902 with SW rev.D Date: March 18, 2011 2 Table of Contents 0. REVISION HISTORY ............................................................................................................................ 3 1. USER INTERFACE INTRODUCTION .................................................................................................. 4 2. TURNING ON AND OFF THE HEADSET ............................................................................................ 5 3. PAIRING THE HEADSET (PAIRING MODE) ...................................................................................... 5 4. CHARGING AND LED INDICATION ................................................................................................... 5 5. OTHER INFORMATION ....................................................................................................................... 5 6. LED SEQUENCES: .............................................................................................................................. 6 7. KEY PRESS TIME DEFINITION: ......................................................................................................... 6 8. DETAIL KEY FUNCTION: .................................................................................................................... 1 3 0. Revision History Date Revision Author Reason for the Change July 20, 2010 V1.00 Joseph ChangOriginal Release. Dec 30, 2010 V1.01 Joey Wu Version C Design Change Update Mar 18, 2011 V1.02 Joey Wu Version D Design Change Update 4 1. User interface introduction Micro USB Connecter Answer/End/Play/Pause Power Key Prev. Track Next Track Volume Up Volume Down Red/Blue LED Speaker Out 5 2. Turning on and off the headset To turn on the headset 1. Press POWER key about 2.5 seconds. 2. Release the power key after the blue LED start to flash. 3. The headset will enter paring mode automatically when you turn it on at the first time. If the headset has been paired with any equipment, it will automatically search and link the equipments have been paired. To turn off the headset 1. Press POWER key about 2.5 seconds. 2. Release the Power key until the blue LED stop flashing 3. Pairing the headset (pairing mode) Before use the headset, please pair with mobile phones or other device first. How to pair (pairing step): 1. Confirm the headset is turned off 2. Keep pressing Power key above 4 seconds 3. Release Power key until blue LED flashes quickly 4. After Step3, the headset is reachable for your device. 5. Start to search the name”BHC902.D” in your device. 6. After the name”BHC902.D”is searched, please choose pairing and linking, the Pin code is”0000”. Remark: When the headset enter pairing mode, without paring and linking with any device after three minutes, it will enter connectable mode or turn off automatically. (If there is no any pairing record, the headset will turn off or enter connectable mode) 4. Charging and LED indication It will start to charge after connect the headset and computer by micro USB. The headset will show red LED when start to charge. The LED light will turn to blue after the battery is full. Notice: 1. Please start to charge after the headset is off 2. The headset will show blue LED except charging and low battery mode. 5. Other information 1. For power saving, there is no LED indication when it is in standby mode. Please press any key to make sure the headset is on or off. If the headset is on, the blue LED will flash for one second. 2. When the headset is in low battery and standby mode, the red LED will flash quickly per 2.5 seconds. All LED indication will turns to red (including streaming and talking....etc.). Press and Hold to Turn on/off Headset 6 3. After reboot the headset, the headset will try to re-connect the latest device it has been connected. But if they disconnected when the headset is using, please press play key to reconnect the device you just use. 4. The product was submitted and tested for use at the manufacturer’s recommended ambient temperature (Tmra) of 0-45. 6. LED sequences: LED flash indication Headset status Blue LED show 2.5 seconds Turn on or turn off Blue LED flashes quickly Pairing mode Blue LED flashes once per 0.4 seconds Phones in or call out Blue LED flashes once per 2.5 seconds Talking Blue LED flashes twice per 2.5 seconds Playing the music Blue and green LED flashes alternatively for 4 or 8 seconds Connected with mobile phones or other device Blue LED flashes three times Paired 7. Key press time definition: Press type Timing Short Released within 500 ms after pressed Long After pressed for 1000~4000 ms Very long After pressed for 4000~8000 ms Very very long After Pressed for more 8 seconds Double Max. 500 ms between the release of a short press and the down of the next short press. A 8. Detail key function: Key Press Product state OFF Idle w/o conn. Idlewith conn. Incoming call Outgoing call Ongoing call 2 n d incoming call 2 n d outgoing call 3way calls Music Play Pairing Power Short - Reconnect to last used device POWER-ON check - - - - - - - - Long On Off Off Off Off Off Off Off Off Off Off Very Long - Pairing Mode - - - - - - - - - 10 sec pressed Hardware Reset Action (Talk/Play & Pause) Short - - PLAY Music Accept Abort End Accept - End Pause - Long - - - Reject - - Reject - Switch between call Stop - Double - - VAD - - Call transfer - - Call transfer - - V+ Short - POWER-ON check Inc. Vol. Inc. Vol. Inc. Vol. Inc. Vol. Inc. Vol. Inc. Vol. Inc. Vol. - V- Short - POWER-ON check Dec. Vol. Dec. Vol. Dec. Vol. Dec. Vol. Dec. Vol. Dec. Vol. Dec. Vol. - Next Track Short - - POWER-ON check - - - - - - Add one track - Prev. Track Short - - POWER-ON check - - - - - - Subtract one track - Action & V+ Very Very Long - - - - - - - - - - Reset Paired Device List Action & Prev. Track Very Very Long - - - - - - - - - - Test Mode B FCC Regulations: z This device complies with part 15 of the FCC Rules. Operation is subject…

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Compliance Certification Services Inc. Report No.: T110317009 Date of Issue: April 1, 2011 A1 - 1 Total Page: 8 Rev. 00 APPENDIX 1 - PHOTOGRAPHS OF EUT EXTERNAL PHOTOGRAPHS OF EUT Compliance Certification Services Inc. Report No.: T110317009 Date of Issue: April 1, 2011 A1 - 2 Rev. 00 Compliance Certification Services Inc. Report No.: T110317009 Date of Issue: April 1, 2011 A1 - 3 Rev. 00 Compliance Certification Services Inc. Report No.: T110317009 Date of Issue: April 1, 2011 A1 - 4 Rev. 00

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Compliance Certification Services Inc. Report No.: T110317009 Date of Issue: April 1, 2011 A1 - 5 Rev. 00 INTERNAL PHOTOGRAPHS OF EUT Compliance Certification Services Inc. Report No.: T110317009 Date of Issue: April 1, 2011 A1 - 6 Rev. 00 Compliance Certification Services Inc. Report No.: T110317009 Date of Issue: April 1, 2011 A1 - 7 Rev. 00 Compliance Certification Services Inc. Report No.: T110317009 Date of Issue: April 1, 2011 A1 - 8 Rev. 00

Model Merry_BHC-902 Antenna Type PIFA Test / Position TRP / TP Communication System BT Channel 0 39 78 Ant. Port Input Pwr. (dBm) 3.00 3.00 3.00 Tot. Rad. Pwr. (dBm) -3.33 -2.37 -2.87 Peak EIRP (dBm) 2.81 3.79 3.29 Directivity (dBi) 6.14 6.16 6.17 Efficiency (dB) -6.33 -5.37 -5.87 Efficiency (%) 23.29 29.01 25.86 Gain (dBi) -2.18 -2.1 -2.02 Boresight Phi (? 144.50 148.30 149.00 Boresight Th. (? 105.00 90.00 105.00 Note Model Test / Position Communication System Channel Ant. Port Input Pwr. (dBm) Tot. Rad. Pwr. (dBm) Peak EIRP (dBm) Directivity (dBi) Efficiency (dB) Efficiency (%) Gain (dBi) Boresight Phi (? Boresight Th. (? Note

Compliance Certification Services Inc. Report No.: T110317009-RP1 FCC ID: I55-WLB902 Date of Issue: March 30, 2011 Page 64 Rev. 00 APPENDIX I RADIO FREQUENCY EXPOSURE LIMIT According to §15.247(i), 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 levels in excess of the Commission's guidelines. See § 1.1307(b)(1) of this chapter. EUT Specification EUT BT Stereo Headset Frequency band (Operating) WLAN: 2.412GHz ~ 2.462GHz WLAN: 5.18GHz ~ 5.32GHz / 5.50GHz ~ 5.70GHz WLAN: 5.745GHz ~ 5.825GHz Others: Bluetooth: 2.402GHz ~ 2.480GHz Device category Portable (<20cm separation) Mobile (>20cm separation) Others __________________________ Exposure classification Occupational/Controlled exposure (S = 5mW/cm 2 ) General Population/Uncontrolled exposure (S=1mW/cm 2 ) Antenna diversity Single antenna Multiple antennas Tx diversity Rx diversity Tx/Rx diversity Max. output power 4.39 dBm (2.75 mW) Antenna gain (Max) -2.02 dBi (Numeric gain: 0.63) Evaluation applied MPE Evaluation SAR Evaluation N/A* Remark: 1. The maximum output power is 4.39 dBm (2.75 mW) at 2441MHz (with 0.63 numeric antenna gain.) TEST RESULTS No non-compliance noted. (SAR evaluation is not required for the PORTABLE device while its maximum output power is lower than the general population low threshold: 60/f (GHz) =60/2.441=24.58mW)

Compliance Certification Services Inc. Report No.: T110317009-RP1 FCC ID: I55-WLB902 Date of Issue: March 30, 2011 Page 1 Rev. 00 FCC 47 CFR PART 15 SUBPART C TEST REPORT For BT Stereo Headset Model: WLB902 Trade Name: Merry Issued to Merry Electronics (Taichung) CO., LTD. No. 22, 23RD ROAD, TAICHUNG IND VSTRIAL PARK TAICHUNG, TAIWAN, R. O. C. Issued by Compliance Certification Services Inc. No. 11, Wu-Gong 6 th Rd., Wugu Industrial Park, Taipei Hsien 248, Taiwan (R.O.C.) http://www.ccsrf.com [email protected] Compliance Certification Services Inc. Report No.: T110317009-RP1 FCC ID: I55-WLB902 Date of Issue: March 30, 2011 Page 2 Rev. 00 TABLE OF CONTENTS 1. TEST RESULT CERTIFICATION.................................................................................................3 2. EUT DESCRIPTION ........................................................................................................................4 3. TEST METHODOLOGY .................................................................................................................5 3.1 EUT CONFIGURATION.....................................................................................................................5 3.2 EUT EXERCISE.................................................................................................................................5 3.3 GENERAL TEST PROCEDURES..........................................................................................................5 3.4 FCC PART 15.205 RESTRICTED BANDS OF OPERATIONS......................................................6 3.5 DESCRIPTION OF TEST MODES........................................................................................................7 4. INSTRUMENT CALIBRATION.....................................................................................................8 4.1 MEASURING INSTRUMENT CALIBRATION...................................................................................8 4.2 MEASUREMENT EQUIPMENT USED ......................................................................................8 4.3 MEASUREMENT UNCERTAINTY ............................................................................................9 5. FACILITIES AND ACCREDITATIONS .....................................................................................10 5.1 FACILITIES ....................................................................................................................................10 5.2 EQUIPMENT...................................................................................................................................10 5.3 TABLE OF ACCREDITATIONS AND LISTINGS..................................................................................11 6. SETUP OF EQUIPMENT UNDER TEST ....................................................................................12 6.1 SETUP CONFIGURATION OF EUT....................................................................................................12 6.2 SUPPORT EQUIPMENT ............................................................................................................12 7. FCC PART 15.247 REQUIREMENTS..........................................................................................13 7.1 20 DB BANDWIDTH..................................................................................................................13 7.2 PEAK POWER.................................................................................................................................20 7.3 BAND EDGES MEASUREMENT .............................................................................................22 7.4 FREQUENCY SEPARATION ....................................................................................................31 7.5 NUMBER OF HOPPING FREQUENCY....................................................................................37 7.6 TIME OF OCCUPANCY (DWELL TIME) ................................................................................42 7.7 POWERLINE CONDUCTED EMISSIONS............................................................................................61 APPENDIX I RADIO FREQUENCY EXPOSURE ............................................................................64 APPENDIX II PHOTOGRAPHS OF TEST SETUP ..........................................................................65 APPENDIX 1 - PHOTOGRAPHS OF EUT Compliance Certification Services Inc. Report No.: T110317009-RP1 FCC ID: I55-WLB902 Date of Issue: March 30, 2011 Page 3 Rev. 00 1. TEST RESULT CERTIFICATION Applicant: Merry Electronics (Taichung) CO., LTD. No. 22, 23RD ROAD, TAICHUNG IND VSTRIAL PARK TAICHUNG, TAIWAN, R. O. C. Equipment Under Test: BT Stereo Headset Tr a d e N a m e : Merry Model: WLB902 Date of Test: January 27 ~ March 25, 2011 APPLICABLE STANDARDS STANDARD TEST RESULT FCC 47 CFR Part 15 Subpart C No non-compliance noted We hereby certify that: The above equipment was tested by Compliance Certification Services Inc. The test data, data evaluation, test procedures, and equipment configurations shown in this report were made in accordance with the procedures given in ANSI C63.4: 2003 and the energy emitted by the sample EUT tested as described in this report is in compliance with the requirements of FCC Rules Part 15.207, 15.209, 15.247. The test results of this report relate only to the tested sample EUT identified in this report. Approved by: Reviewed by: Rex Lai Gina Lo Section Manager Section Manager Compliance Certification Services Inc. Compliance Certification Services Inc. Compliance Certification Services Inc. Report No.: T110317009-RP1 FCC ID: I55-WLB902 Date of Issue: March 30, 2011 Page 4 Rev. 00 2. EUT DESCRIPTION Product BT Stereo Headset Trade Name Merry Model Number WLB902 Model Discrepancy N/A Power Supply 1. Power from host device 2. Power from Battery Rating: 3.7V, 95mAh Frequency Range 2400-2483.5MHz Modulation Technique GFSK for 1Mbps; π/4-DQPSK for 2Mb…

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Compliance Certification Services Inc. Report No.: T110317009-RP1 FCC ID: I55-WLB902 Date of Issue: March 30, 2011 Page 65 Rev. 00 APPENDIX II PHOTOGRAPHS OF TEST SETUP CONDUCTED EMISSION SETUP PHOTO Compliance Certification Services Inc. Report No.: T110317009-RP1 FCC ID: I55-WLB902 Date of Issue: March 30, 2011 Page 66 Rev. 00 RADIATED EMISSION SETUP PHOTOS Compliance Certification Services Inc. Report No.: T110317009-RP1 FCC ID: I55-WLB902 Date of Issue: March 30, 2011 Page 67 Rev. 00 POWERLINE CONDUCTED EMISSIONS SETUP PHOTOS