Specification:

        Product size: 140*70*42mm
        Chipset: ATS2823
        Bluetooth Version: 4.0
        Speaker Power: 3W
        Charging voltage: 5v
        Resistivity: 4Ω
        S/N ratio: ≥80dB
        Battery capacity: Lithium 2000mA
        Bluetooth speaker & Hands-free phone
        Walkie-talkie function, distance 2km in sea level
        IPX5 water resistance
        Build-in rechargeable battery for 4 hours of music
        CE, FCC, ROHS available

     Features 

            Bluetooth speaker With Walkie-talkie function, distance 2km in sea level