KEYKO KT S760 KT S550 User Manual Dear Customer Thanks for purchasing our Keyko Digital Products Priority to use this device please carefully read this user manual and the user manual for other Bluetooth device which will connect to S550 headphone in order to operate it normally Bluetooth WIFI technology Adopt Bluetooth wifi technology which can create connection between compatible devices The headphone between other devices no need to be in dead against posit
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 lon