Battery: 1000 mAh lithium ion rechargeable battery<br> Sound card chip: Two noise reduction DSP chips<br> Sound card lithium power: 1000 mAh (full of 12 hours of continuous use)<br> Feature:<br> 1. 12 kinds of electric sound, 8 kinds of sound effects, 6 kinds of effect modes.<br> 2. Reverberation size adjustment, microphone volume adjustment, high bass adjustment, recording volume control, music volume control, monitoring volume control (earphone function).<br> 3. Support mobile phone computer use, support the use of single headset.<br> 4. 7 kinds of connecting methods: one cell phone K song live, double cell phone live, phone live, mobile phone computer synchronous live, one computer live, computer accompaniment cell phone live, instrument input cell phone live.<br> 5.Compact structure and durable metal housing can be used in different locations for your convenience.<br> 6.Made of high quality all-aluminum material with slim and design.<br> 7.Built-in lithium battery, you can continue to live to reach more than 8-12 hours.<br> 8. Support dual mobile phone use<br> 9.Highly compatiblity, except diaphragm microphone and usb port microphone,all 3.5mm condenser microphone and dynamic microphone can work with this sound card<br> colour: black<br> Material: metal<br> size: 125 x 105 x 25mm<br> Package Contents:<br> 1 x sound card device<br> 3 x cables<br> 1 x USB cable<br> 1 x instruction manual<br> 1 x color box packaging<br> Only the above package content, other products are not included.<br> Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.