Product details * built-in 18650 battery capacity: 1500mah * power supply voltage: 5 volts * output power: 2*5 w * horn: 2*52mm 4omega 5w external magnetism * frequency response: 100-18khz * bluetooth solution: section 5.0 Support bluetooth 5.0 Music playing and telephone the volume can be controlled by keys. Charging instructions, playable speakers for 90-120 minutes support tf card, u disk super bass audio connection wire and usb power wire in one fm radio: 88-108 colour: beige
