Built-in lithium battery: 1200mAh
FM radio playback
Output power: 3W * 2
Support AUX input
within the magnetic speaker: 57MM * 2
support USB / TF card, microphone, voice prompts
Input Sensitivity: 400mV
and any Bluetooth device pairing distance 10M
Frequency: 50Hz-20KHz
high-quality, unique design, elegant style
SNR: =88dB
perfect sound quality indoor and outdoor
Operating Voltage: DC 5V