Features 1.MULTI FUNCTION: Portable sound card supports intelligent noise reduction, live selling, evasive elimination acoustic mode, three live stations, K song mode, one key beauty, reverb mode, 13 electric sound modes, 11 special modes, 5 professional adjustments, and 9 special effects. 2.INTELLIGENT NOISE REDUCTION: Portable voice changer has a built in intelligent noise reduction chip to change different electroacoustic effects. After successful pairing, you can play the backing music with your phone and transfer it to the sound card via Bluetooth companion transmission, with stable Bluetooth compatible transmission. 3.MULTIPLE SOUND EFFECTS: In electronic music mode, 13 keys can be adjusted, 13 kinds of sound effects can be used for singing, and 9 kinds of live sound effects can also be used: laughter, kiss, applause, show up, count down, cold field, surprised, slap your face, and cheer, making the live broadcast vivid. 4.TWO MODES: The dodge function is to reduce the sound of musical accompaniment when the anchor is speaking, reflecting a clear distinction between primary and secondary. The acoustic elimination function is to accompany the incoming sound, eliminating the human voice inside and keeping only the melody. 5.LONG BATTERY LIFE: Mini live sound card built in 1500mAh lithium battery, long battery life, to meet the needs of long term live, support the live while charging. Compact and lightweight, plug and play, universal for for iOS for Android phones, computers, tablets, PCs. specificationItem Type: Portable Sound Card Product Material: ABS Color: Black Battery: 1500 MAh Polymer Lithium Ion Battery (Built In) Reverb Mode: DSP Bluetooth Version: V5.3 Sound Channel: 2 Channels Support Modes: Chat, Singing, KTV, Electronic Music, Shouter, Dodge, Reverb, Voice Change, Acoustic Supported Devices: for IOS for Android Phones, Computers, Tablets PackageList 1 x SoundCard 2 x SoundCable 1 x USBCable 1 x InstructionManual NoteSince for iOS 7 and above and some for Android phones do not have a 3.5mm round hole headphone jack, you will need to bring your own adapter to use.