(1) Compatible with MP3/ mobile/ computer/ iPod and other audio devices.
(2) Can play MP3 format music from TF card.
(3) With rechargable battery.
(4) Card reader function, can read TF card content when connect to computer
(5) LED showed on the bottom
(1) Built in Li-ion speaker
(2) 5V Adaptor
(3) USB 5V Cable (with) from computer.
Output power: 1.5W*2
Speaker Unit: Dia 36mm
Signal&noise ratio ≥ 85dB
Battery Voltage: 3.7V
Battery Capacity: 500mAh
Battery Charging Voltage 4.2V± -0.05V