Specification | Function Micro SD card,USB driver,FM radio,bluetooth Material ABS+FABRIC Charging USB Micro Color Black, blue,gray Unit size 260X85X88MM Net weight 850g Bluetooth 5.0 Channel 1 Speaker 2*68mm,4ohm,10Watt vibrating diaphragm 2*45mm Distrant >10M Frequency 100Hz-18KHz SNR ≥80dB Charge 5V / 1A Battery 1500mah |