**Dimension: 260*160*72mm
**Weight: 1380g
**Speaker driver: 47MM, 4Ohm
**Speaker output: 12W*4
**Frequency Response: 100Hz-20KHz
**Battery life: 4.5 hours
**Battery Charging voltage: **USB5V(500mA)/DC15V(850mA)
**Battery capacity: 2200 mAh
**Bluetooth transmission distance: 10 meters
**Bluetooth compliant: V4.0