Specification :

• Color : Black/Blue/Pink/Gold/Silver
• Working time : 2 Hours
• size : 70 x 70 x 48mm
• Loudspeaker Output : 3W
• Frequency : 280Hz - 16khz
• Battery Charging Voltage : 5V + 0.3
• Battery Voltage/Capacity : 400 mAh
• Battery charging time : 2 Hours

HIghlight : 

• Working range : up to 10m
• aluminium alloy casing
• high quality and durable
• Fashion and laconic cylinder shape design
• full of modern feel
• Bluetooth Music/TF Card Music/Exterior Music Aux-in Supported
• Stereo and Bass Sound Effect
• Support FM Radio

What's in the box : 

• 1 x Speaker
• 1 x Usb cable