Features: brand new and high quality brand new and high quality The sound card supports multiple scene modes and multiple sound effects. It add fun to the sound. for most brand mobile phone,computers. DSP Audio Processor, High Performance Chip: DSP audio chip can timely adjust the rhythm, audio signal more clear and stable, output sound mellow stereo. It could be used with most singing APP in the market. Built-in upgraded version of bluetooth-compatible module, fully support mobile phone/pad and the other digital products with bluetooth-compatible. 8 Popular Sound Effects: large knob design to adjust the reverberation plus and minus pusher design adjustment to avoid addition and subtraction, corresponding to different scenes one-key switch, live broadcast more professional. Specifications: Material: Metal Charging Voltage: for DC 5V Interface: 3.5mm Support Device: for Smart Phone, Tablet, Computer Battery: 3.7V 800mAh Size:13.8x17.8cm/5.43x7.01in Package Includes: 1x Sound Card 1x Cable 1x Manual note: Please allow 0-2cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!