Product description
Color:Black 
Specifications: 
Material: Aluminum Alloy
Output Wattage: 5W * 2
Frequency Response Range: 100Hz ~ 10KHz
Maxiumum Sound Pressure Level: 115dB 1KHz THD<1%
Reverberation: Echo Sound
Bluetooth Version:Bluetooth 4.0
Battery Capacity: 1800mAh
Battery Life: 5-8 Hours
Charging: DC 5V / 1A
Charging Time: 3~5 Hours

Features: 
- 100% Wireless
- Microphone lets you sing over your favorite songs
- Built-In Bluetooth Speaker can connect to any Bluetooth enabled source ( Smartphone, iPhone, iPad, Tablet, Car, PC, and more )
- Professional Tuning Switches (Echo, Volume )
- Micro USB Port for charging and for auxiliary connection
- 1800 mAh battery