• Wireless transmission range : up to 10m
• Speaker drive size : 3 inch
• Output Power :5W
• Frequency response : 100Hz-20kHz
• Signal to noise ratio : >=80dB
• FM scan range : 87.5-108.0mHz
• USB Charging :DC 5V
• Battery Capacity : 500mAh
• Max memory support(USB/SD) : 32GB
• Play time : up to 1 hour at 75% volume
• Charging time : 2 hours