LED Colorful Bluetooth Speaker includes the following features : 

• Bluetooth specification: V4.2
• Wireless transmission range: 10M
• Audio-to-noise ratio: >= 90 db
• Battery capacity: 1200mAh
• Built-in voltage: 3.7V
• Normal volume playback: 3 hours
• Speaker specifications: ￠45mm x 2
• Power: 5W x 2
• Frequency response: 120HZ-20KHZ
• Charging voltage: 5V/500MA
• Lanyard attached

Material :

• ABS housing

Size closed :

• Diameter of 7.2 cm x Height of 17.87 cm
• Weight of 490 grams