4500mAh Power Bank Bluetooth Speaker includes the following features :

• Dual function (Use as music player and phone charger)
• Utility LED for any occasion
• LED indication for Battery Status
• Output power: 2W(1KHz,THD10%)
• Frequency: 200Hz - 20KHz
• Signal & noise ratio: ≥80dB
• Sensitivity: 90db±3
• Impedance: 4 OHM(Ω)
• Capacity: 4500 mAh
• USB input port: 5V / 1A
• USB output port: 5V / 2A
• Charging time: 5 hours
• Speaker unit of 2.7 cm
• Included USB cable

Material :

• ABS material housing

Size closed :

• Size of 13.5 x 2.9 x 2.9 cm