www.keyko-tech.com KT-S66i/ KT
Contents
1. KEYKO KT S661 KT S331 User Manual Dear Customer Thank you for purchasing our KEY KO Digital Product Prior to use of this device please read the user manual carefully in order to operate it normally Turn on Turn off Turn on push the switch to ON blue indicator LED will shine connect the audio cablewith your player and then you can enjoy music Turn off push the switch to OFF blue indicator LED will turn off f don t use the device for long time please push the switch to OFF in order to save battery capacity Note if you want to listen music you should push switch to ON otherwise you can t listen it LINE IN Operation instruction LIFE IK Pa 4 m s m J Insert the audio cable into the audio port on headset and insert the other side to mobile device which with audio output such as MP3 Mp4 mobile phone PC etc KEYKO Technologies LLC www keyko tech com KEYKO Mute Unmute Hold the button which as below picture it will be mute sound release the button the sound will be resumed The operation will avoid taking down headset from your head If the blue led light turns dark it means the headset is with low power Go on listening till the blue led turn off and there is no sound it means the battery is out of power You should charge for it Charge The headset can be charged by USB cable enclosed when connected to computer And Charge fro2. eyko tech com
3. m mini USB port located on headset with included USB cable or charge from adaptor When charging red led will shine constantly and itll turn off once fully charged It s built in chargeable battery prior to use of the headset for the first time please fully charge the headset KEYKO Technologies LLC www keyko tech com KEYKO Folding instruction Li if l 221 301 Adjust the distance _ ail A Right side Left side Right side Left side 661 771 A ri 881 Headset maintenance 1 Please keep the headset dry and do not place headset near rain humidity and other liquid These will corrode the headset If the headset is wet please do not use it until it s dried completely 2 Do not clean the headset with strong chemicals cleaner and detergent etc 3 Do not use the headset in dusty and dirty place it may damage the removable parts and electronic components 4 Do not place the headset in a high temp place high temperature will shorten the device usage life damage battery or lead to some plastic distortion and melt 5 Do not store the headset in low temp place when earphone temp arise to normal temp humidity KEYKO Technologies LLC www keyko tech com KEYKO will enter into the inner of the headset it will lead to pcb board damage 6 Do not disassemble and modify the headset yourself 7f it s not used for a long time prior to use it please charge the headset KEYKO Technologies LLC www k
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