103B WIRELESS EARPHONES User manual

65mm WIRELESS EARPHONE 9 0 m m Press once: Increase volume Press and hold: Advance to next track Press once: Decrease volume Press and hold: Return to previous track Play / pause Accessories Earphone S/M/L Ear tips USB Cable WIRELESS EARPHONE Accessories USB Cable Manual Manual FCC Statement 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. 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:

The device has been evaluated to meet general RF exposure requirement. The device can be used in portable exposure condition without restriction. 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. Bluetooth Pairing 1. Depressed MFB button for 5S or more to enter the pairing mode. LED indicators ashing blue and red. If pairing is not completed within about 5 minutes, the power will automatically turn off. 2. Click the pairing name ITFIT-103B on your device, and connect it . 3. Pairing successful : LED indicator ashes blue at the intervals of 3S. The PIN code for these wireless earphone has been factory set at 0000. Input this code if requested by the bluetooth device. ITFIT-103B Matching OK 1 2 3 Playing Music To use the bluetooth earphone to listen to music form a bluetooth device, you must rst perform pairing with the bluetooth device using the A2DP audio prole. When sound volume is set to maximum or minimum levels a beep sound will be produced from the bluetooth earphone. Depending on the specications of the connected bluetooth device, the controls noted above and controls on the bluetooth device may not be supported. Charging the Batteries The units battery must be recharged before use. Connect the appropriate connector on the micro-USB cable to the micro-USB port on the headphones, and the USB plug on the other end to a USB port on a computer or AC adapter. Note When recharging begins, the LED indicator on the headphones will light red. Full recharging requires about 2H. When recharging is completed, the LED indicator will light blue. When the batterys charge is approaching depletion, a beep sound will be heard in the headphones at one-minute intervals.

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1. If you already connected with a device, you only need to power on the bluetooth earphone by depress the MFB button 3S, then they will automatically connect. To connect with others, depress the MFB button by 5S or more to enter pairing mode, then search the pairing name on your device. Disconnecting from the bluetooth device Hold the MFB button depressed for about 5S to turn off the power. 2. If the pairing is not successful, please switch off headset rstly and then re- pair again. 3. Only one device can be connected at a time. Phone calls operation Functions Redial Last number Status of headset Standby mode Volume up Conversation mode Volume down Answer call End call Reject calling Conversation mode Ringing Calling Ringing Operation Short press MFB twice quickly Press once + button Press once - button Short press MFB Short press MFB Press and hold MFB for 2S Troubleshooting Problem description Power wont turn on The batteries cant not charge when use computer or AC adaptor for charging Cant perform pairing Cant perform bluetooth connection No sound when playing music Remedy Recharge the bluetooth earphone Conrm that computer is ON or NOT. Conrm that computer is not in power saving mode. Conrm the micro-USB cable is securely connected to both the bluetooth earphone and computer/ AC adaptor. Play the bluetooth earphone and bluetooth device closely together when performing pairing Conrm that power is turned on for both bluetooth earphone and bluetooth device. Conrm that bluetooth function is turned ON in the device you are connecting to. Conrm that power is turned on for both bluetooth earphone and bluetooth device. Conrm that connection with bluetooth device is set for prole A2DP. Conrm that the connected music playback device is set for PLAY. Conrm that sound volume controls on both bluetooth earphone and music playback device are set to appropriate levels. Sound is distorted when playing music Cant use the hands free operation Communication distance is short, sound is garbled. Check that no other devices utilizing the 2.4GHz wavelength are nearby, and that no obstructions black the signal path. Conrm that bluetooth earphone and bluetooth device are connected using the prole HFP or HSP. If connection that to the bluetooth device is in prole A2DP, it may be necessary to change connection proles

(depending on the specications of the bluetooth device). Check that no other devices utilizing the 2.4GHz wavelength(including microwave ovens, wireless radios, etc.) are nearby. and that no obstructions block the signal path. Note

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Battery recharging time and usable battery time may vary depen

-ding on ambient temperature and frequency of use. Do not place metal objects near the headphones charging contacts, since dangerous electrical shorts or abnormal heating may result. Please dont attempt to change the rechargeable lithium Battery that should last the life time of the device. Please turn off your headset after your usage to get a longer battery life. Not all the mobile phones support all the functions listed above. Please refer to the instruction of your mobile phone. Some functions and indication tones may vary with mobile phones. Specifications Bluetooth version: B.T.4.2 Bluetooth chipset: WT200 Support bluetooth proles: A2DP, AVRCP, HFP CODE:SBC Frequency used: 2.4GHz (2400MHz to 2480MHz) Operating distance: about 10 m line of sight Operate voltage :3.7V Battery: 70MAH Charging time: about 2 hours Charging current: 100MA Playing time: up to 5 hours (middle volume) Talking time: up to 5 hours Driver:10mm Sensitivity: 95dB/1mW (S.P.L at 1KHz) Impedance: 16 Frequency Range: 20Hz - 20kHz Rated Power: 1.5mw Max. Power: 10mw ADD:

No.35,the 2nd Industrial Zone,Tangxiayong Village,Songgang Town,Bao'an District,Shenzhen,China. Copyright 2019 ITFIT All rights reserved