Features: 100% brand new and high quality The sound card supports multiple scene modes and multiple sound effects. It add fun to the sound. Compatible with most brand mobile phone,computers. High performance chip can timely adjust the rhythm, audio signal more clear and stable, output sound mellow stereo. Built-in upgraded version of bluetooth-compatible module, fully support mobile phone/pad and the other digital products with bluetooth-compatible. 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. Package Includes: 1x Sound Card Specifications: Material: Metal Interface: Mic,Live Play,Earphone,Headphone,Capacitor Whear Size:16.5x14cm/6.5x5.51in Indicator Light: 24 Battery Capacity: 1500mAH Output Power: 20mw Buttons: 26 Knob: 4 Fader: 5 Charging Voltage: 5V DC Transmission Mode: Digital/Analog 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