Portable Stereo Wireless Bluetooth Speaker
✅Max Memory Support(USB/SD):16GB
✅Output Power: 5W
✅Play Time: 3-4 hours
✅Charging Time:2-4 Hours
✅ Charging Voltage: DC-5V
✅Signal and Noise Ration: >=80dB
✅Wireless Transmission Range: Up to 10 meters
✅ Packaging size: 16.7 x 11.3 x 8.6 cm