1、OTG Digital Interface: This live sound card provides lossless sound and supports OTG digital interface. Support three mobile phones live broadcast at the same time, double microphone, double headset use. 2、Strong Compatibility: This sound effects board is compatible with phone and computer, plug and play, compatible with all kinds of karaoke live software. 3、With BT Accompaniment: This sound board supports BT accompaniment, and it can cancel the original accompaniment. Adjustable recording accompaniment. 4、Intelligent Noise Cut: This voice changer mixer adopts intelligent noise cut that retains the voice integrity. Changeable voice, magic sound, electronic music, etc. 5、Wide Application: This sound effects machine is widely used in home karaoke, voice chat, live, periscope, livestream, tiktok, wechat, etc. 1 x Live Sound Card1 x Charging Line1 x 3.5mm Live Cable1 x 3.5mm Accompaniment Cable1 x User Manual Item Type: Live Sound CardMaterial: Plastic, ElectronicSuitable For: Home, Computer, RecordingInterface: USB, OTG, 3.5mmSupporting Channels: Left and Right ChannelsSound Support: Stereo Double ChannelDynamic Range: Greater Than 104 DbRecording Specification: 24bit/48KhzPower Supply: 5V 0.5APower Consumption: 4WBattery Type: Inbuilt 1200mAh Lithium Battery