Bluetooth wireless speaker with built-in rechargeable battery (1200mAh). Easy to use, just connect to your smartphone and play music. Operating range: 8-10 meters. AUX input for MP3 player and more. USB and MicroSD card slot for MP3 playback. Volume output: 2 x 5 W RMS. Product size: 6.70 cm (width) x 6.80 cm (depth) x 16.00 cm (height). Product weight: 0.45 kg. Package size: 16.40 cm (width) x 7.40 cm (depth) x 7.90 cm (height).