Explode with sound!!! This Bluetooth V3.0 speaker with trendy silicone jacket is wireless up to 10 meters. Built in Li-polymer battery (300 mAh) charging time is 2 hours. Works up to 6 hours when fully charged. Frequency 100Hz~20KHz, speaker output 2W RMS. Including charging cable. Cat logo is full color on the front. Comes with carabiner for endless possibilities! Measures 5.7 x 5.0 x 5.8cm.