2 in 1 Bluetooth Speaker and Power Bank
100% Brand New And High Quality.
Excellent in look with a smooth line and surface.
Support wire & wireless playing.
Wireless playing with bluetooth 3.0.
Including 4000mAh battery can working as power bank.
Rechargeable built-in battery with micro USB charging port which support charging while playing.Easy to use in car,office etc.
Size: 17cm * 5cm * 5cm
Weight: About 230g
Wireless version: V3.0
Transmission power: CLASS2-4dBm
Signal to Noise Ratio: ≥90db
Working voltage: DC 3.7V
Battery capacity: 4000mA
Charging voltage: DC 5V/ 500mA-1A
Charging time: about 4hour
Power Output: 5V 1A
The Speaker power: 3W
Music playing time: 15H
Wireless range: 10-20m
Please charge the speaker once every 3 months if the speakernot be used for along time.It is normal that the temperature is a bit high during charging.Please protect environment,do not abandon.