More Details: Features: Support to 16G TF\/SD card、 more play ways to choose. Two AUX ports、 one is for headphone、 the other is for smartphone、 tablet PC、 etc. (MP3、WMA format) Mini size、 it is portable to carry. Specifications:          General Specification             Brand Name        iKANOO             Model Model        F16             Optional Color        Black、 White、 Blue、 Red             Product Weight (kg)        0.24KG             Dimensions (cm\/ inch)        5.7*5.7*5.8cm           Technical Parameters             Bluetooth Version        3.0             Conectivity Interface        AUX port、 TF card port             Bluetooth Transmission        10M             Battery Capacity        500mAh             Output Power        3W             Impedance        4Ω             Frequency Response        90Hz-20kHz             SNR        ≥76dB    Package  Included:                  1 X iKANOO F16 Bluetooth Speaker            1 X Charging Cable            1 X AUX Cable            1 X Manual