Mini Audio MP3 /FM Radio Player/Speaker/Voice Box TF/Micro SD Card (Heineken Can) 1:1 imitation of Budweiser can shape, small size, fine shape, weighing only 200g, easy to carry. Built-in MP3 player, supports playback of MP3 music and FM Radio Built-in 550mAh lithium-ion polymer rechargeable battery, can be used repeatedly to provide sufficient power Built-in 45mm (1.77 inches) full-band speakers, wide range, the maximum power up to 3W USB charging, and support for signal output, support TF / MICRO SD card, easy to use