Features
Built-in high capacity rechargeable lithium battery
Conveniently charged via USB cable
Supports an external TF card up to 32GB
On/Off switch， convenient to use
Compact size for ease of carrying
General Specs
Brand !#!amp!*! ModelSOG-63II  
Audio FormatsMP3， WMA， WAV
Card ReaderSupports an external TF/ Micro SD card up to 32GB
SNR80dB
InputDC 5V 1A
BatteryBuilt-in 1050mAh rechargeable lithium battery