NGS Roller Flow 20W Bluetooth Speaker with FM Radio, USB Port, AUX Input and MicroSD Slot Model ROLLERFLOW COLOR	Black, SPEAKER OUTPUT	20 Watts, RMS Power  6W+2Wx2, BATTERY CAPACITY	1800 mAh , Battery charge: 2 hours, BATTERY LIFE	Working time: 5 hours, BLUETOOTH RANGE	10 meters BLUETOOTH SPECIFICATIONS	Bluetooth 2.1, HSP,HFP,A2DP & AVRCP, AUDIO INPUT	AUX Input, CHARGING TYPE	USB, DIMENSIONS	80 x 80 x 58 mm, WARRANTY	2 Years Manufacturer Warranty