Specification:
Function:Bluetooth,handfree,TF card,FM radio,USB flash drive
Material:ABS +wood+iron net
Play type:AUX/TF Card/Bluetooth/USB flash drive
Charging Method:By micro USB charging cable
Playing time: About 6-10 hours
Unit size:5.12inch*1.57inch*2.56inch
Bleutooth:V4.2
Format:MP3/WMA/WAV
Power:3W
Bass diaphragm:1.18inch*1.57inch
Distrant:393.7inch
Frequency response:80hz-20khz
SNR:R75dB
Output voltage:5v-0.3A
Battery:400mah
Package included:
1x Speaker
1x USB Cable
1x User manual

If you are unsatisfied with your item for any reason, return it within 30 days of delivery.