Wireless Speaker S18
Output Power: 5w
Multi-functional: Supports wireless/bluetooth, TF Card and USB Input
Speaker: 4 ohms 5 watts, 52 millimeters
Frequency Response: 100Hz to 16KHz (100Hz-16KHz)
Battery: 3.7 volts, 800 milliampere hours (mAh) lithium battery
Play time: Enjoy up to 5-8 hours of playback on a single charge
Charging time: Takes 1.5 to 2.5 hours to fully charge