Loudspeaker Output: 3W

Input power: DC 5V

Battery Charging Voltage: 5V

Compatible With: cellphones, iPad, tables,iPod etc. (devices coming with Bluetooth)

Working Time: Approx 4 hours

Dimension: Approx. 52*58MM

Charging Time:Approx 2 hours

Frequency Response: 280HZ-16KHZ

Support TF card(TF card not included)

Package Content :1 x Speaker,1 x USB Cable