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1. First step, connect the Blue k box to back of car radio.    2. Turn on the car radio. 3. Connect the car radio with wifi or 4G internet. ( Please connect the wifi of another mobile phone or use home wifi.) 4. Pair Bluetooth with mobile phone. 5. Click... 1. First step, connect the Blue k box to back of car radio.    2. Turn on the car radio. 3. Connect the car radio with wifi or 4G internet. ( Please connect the wifi of another mobile phone or use home wifi.) 4. Pair Bluetooth with mobile phone. 5. Click...

H53 OR B59  What the difference？   H53 OR B59  What the difference？