Bluetooth Mode Wireless Playing
Supporting Bluetooth mode,wireless playing song.Getting rid of the wire,more freely to use the speaker enjoying the music.
Hand-Free Calling,Easy to answer
Built-in HD microphone,supporting calling.Easy to operate,you can enjou the music or talk with friend with K39.
Supporting TF Card or USB Disk Playing
Can play songs directly with TF card or USB disk.Support the control functions like switching to previous track.