Features:  1. Small and breakthrough design. 2. Support TF card and flash drive play. 3. Listen the saturated and comfortable sound、 and offer best sound for you. 4. Dual speakers、 restore most of the charm of the music、 the ultimate balance of treble、 alto and bass. Specifications:          General Specification             Brand         Sansui             Model         T18             Color         Black、 Blue、 Red             Dimensions         188*54*64mm           Technical Parameters             Microphone         Yes             Connectivity         Bluetooth             Bluetooth Version         V3.0             Transmission Distance         10m             Output Power         3W*2             SNR         !#!amp!*!ge;75dB             Impedance          20K!#!amp!*!Omega;             Frequency Response          50-20kHz             Battery Capacity         1200mAh    Package  Included:                   1* Sansui T18 Wireless Bluetooth Speaker             1* USB charging cable             1* Audio Line             1* Chinese manual