Bluetooth wireless speaker features

Functional characteristics
[Bluetooth audio] Bluetooth 3.0+EDR, maximum receiving distance of 10 meters.
[Bluetooth call] clear voice or echo.
[MP3 player] MP3 files stored directly to TF card.
[FM radio] Digital stereo FM radio, radio memory play.
[Audio input] stereo audio input interface, easily connect computers, digital music players, mobile phones and other audio equipment.
[Breakpoint memory] automatically remembers the last exit tracks and volume.
[Battery] built-in rechargeable lithium-ion batteries, environmental protection, energy-saving and practical.
[USB card reader] connected to the computer, you can copy or delete songs in the TF card.
[USB audio] connected to the computer, computer audio files, computer music, volume up and down.