Product Specifications： - Bluetooth Version：BT4.2② distance receive：~30meter - Speaker size：4”*1 - Battery capacity：3.7V/1500mAh - Output power：24W(Peak) - Charge time：~3.5 H - Playing time：100%~6H，50%~8H - Weight：~0.568kg - Color：black - Product size：95×86×86mm - Function：BT/TF/AUX IN/USB/KARAOKE/FM/REC - Outside the box :125x125x130mm