FEATURES Wireless portable speaker. Crisp and intense sound. USB / MicroSD / MP3 player and FM radio. Portable and modern design. Rechargeable Li-ion battery. Up to 10 hours of autonomy. 3.5 mm jack input to use with cable. RESPONSE 70-20,000 Hz POWER 2 x 3 W RMS SPEAKER 2 x 2 " SIGNAL / NOISE RATIO? 85 dB FEEDING Rechargeable Li-ion battery, 2,000 mAh, 3.7 V Autonomy: up to 10 h * Charging time: 5 h * Autonomy at 50% of the volume. Depending on the type of music and the volume, autonomy may be reduced. COLOR Black MEASURES 280 x 130 x 96 mm depth WEIGHT 0'8 kg ACCESSORIES USB to micro USB cable for recharging 3.5mm stereo jack to 3.5mm stereo jack audio cable UNLICENSED Bluetooth 4.2. Play music from smartphones, tablets and other Bluetooth devices. Playback control and hands-free calls. Transmission distance 10 m.