High-end Bumblebee Helmet Speaker, Power: 3W, Battery capacity: 1200mah, Bluetooth version:JL5.0, Speaker: 2 inch + head subwoofer, Canning material: ABS eco-friendly material, Power supply: Built-in lithium battery, Playing Time: 6 hours, Charging method: USB, Frequency response range: 100HZ-20KHZ, Bluetooth protocol:5.0, Effective distance: 10 meters
