Speaker: Wireless bluetooth Speaker

Working voltage: DC 3.7V Charging time: About 2-3 hours Product size: 135mm65mmx85mm Charger voltage: USB 5V 600mA Input power: 6 w Frequency response: 100Hz-20KHz Signal to noise ratio: 85db Distortion: 0.5-1.0% Device support: Smartphone, tablet, laptop, desktop computer AUX audio: Standard 3.5mm audio cable for all 3.5mm interface audio inputs