• 20 hours playback time
• Bluetooth 4.0
• Power bank function: 5V / 1A
• Built-in lithium battery
• Battery capacity: 1800 mAh
• Built-in microphone for hands-free phone calls
• Charging voltage: DC 5V / USB cable
• Working voltage: 3.7-4.2V
• Charging current: 1A (2A max.)
• Discharge voltage / current: 5V / 1A
• Speaker resistance: 4 / 3W x 2
• Passive bass element, standard stereo technique
• Including USB + AUX cable
• RoHS, FCC, CE, CCC, WEE, SRRC