Specifications:          General Specification             Model Number        S-619             Color        Blue、 Green、 Orange、 Pink             Product Weight (kg)        240g             Dimensions (cm\/ inch)        186*64*65mm           Technical Parameters             Connectivity        Bluetooth\/AUX connection             Output Power        6W             SNR         !#!amp!*!gt;75dB             Sensitivity        -90dB             Distortion         !#!amp!*!lt;5%             Impedance        4!#!amp!*!Omega;             Charging Voltage        5V             Battery Capacity        1800mAh\/3.7V             Frequency Response        100Hz-20kHz             Bluetooth Version        V4.1            Transmission Range         !#!amp!*!lt;10m             Talking Effective Distance        1M            Charging Time        4H            Using Time        6H(60% volume)    Package  Included:                  1 X S-619 Bluetooth Speaker            1 X Charging Cable            1 X Manual            1 X Buckle