(Wireless Bluetooth Version: 4.1. Bluetooth Microphone Effective Distance: 0.5-2m. Bluetooth Transmission Distance: 10m. FM Transmission Frequency: 87.5-108MHz. 1 x Car MP3 Player. 5) The length of this car MP3 player is 9cm, the width is 5.5cm, and the height is 5.6cm.
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