Support radio 87MHZ-108MHZ
Support automatic storage station Radio antenna: external USB or earphone for antenna
Audio format MP3 supports TF card, U disk maximum 8GB
Audio input miniUSB audio input
Audio output 3.5MM headphone output
Working voltage DC 3.7V-4.2V
Speaker size specifications External magnetic Φ40 iron frame 40 with side 54mm power 4Ω3W
Response frequency 20Hz-20KHz
Play time 50 minutes
Charging time 120 minutes
Charging voltage Limit voltage DC 5V Charging current DC 350MA