Bluetooth V4.2 Mono ø40mm Speaker Driver Output Power: 3.5W Horn Resistance: 4Ω Li-polymer Rechargeable Battery 500mAh 5-6 Hours Play Time Input Power: 5V, 500mA App. 1.5 Hours for Fully Charged by Micro USB Slot Button: Power ON/OFF, Play/ Pause LED Indicator: Green/Bluetooth Paring,Red/Power Charging (Off When Fully Charged)
