Support FM radio/USB flash memory/ TF card/Lyric/calendar
External AUX input/earphone socket
Chargeable lithium battery
Output power: 2.5 + 2.5W
Sensitivity: 84 ± 3dB
Standard impedance: 4Ω
Frequency range: 120Hz to 18KHz
FM frequency: 87.5 to 108MHz
Power supply: USB/5V DC