Original BAT Music 5800 Portable Wireless Bluetooth SD Card Slot MP3 Player with FM Radio Headset – Black

Connecting interface: USB 2.0
Compatibility: Smartphone, Tablet PC, Music Player
Application: Portable Media Player, Mobile Phone, Computer, Sport
Plug interface: TF card slot
Driver unit: 30mm
Frequency response: 20Hz~20KHz
Power supply: Built-in 3.7V 180mAH Li-polymer battery
Charging time: About 3 hours
Continuous working time: About 5 hours
Blue light status indicator
Signal to noise ratio: 70 dB
Output power: 2*10mW
Extended Function:
FM radio: Yes
FM frequency range: 87~108MHz
External memory: TF card (Not included TF card)
Max. of External memory: 32GB