Features 1、【Advanced Dual-Core Digital Chip】: Our live broadcast sound card is equipped with a built-in dual-core digital chip, allowing you to switch between various scene modes. It supports dual microphones, dual live broadcasts, and dual headphones, offering a versatile solution for your audio needs. 2、【Multiple Adjustable Features】: This device offers a range of adjustable features, including high and low adjustments, one-key fade-out, one-key original sound elimination, one-key noise reduction, and multi-group voice change fine-tuning. These features allow you to customize your audio experience to suit your needs. 3、【Wide Compatibility】: Our product supports most live broadcast software and is perfect for chatting, answering calls, live broadcasting, or recording. The voice change feature can create a humorous atmosphere, and the 9 preheating special effects can be customized for recording, special effects/light changes. 4、【BT Wireless Accompaniment】: This device features BT 5.0 for easy connectivity. It's perfect for listening to music, singing, live broadcasting, recording songs, voice changing, special effects, and reverb. The plug-and-play design makes it easy to use. 5、【High-Quality Audio and Long Battery Life】: The device offers a signal-to-noise ratio of 106dB and an output power of 600mW, ensuring clear and powerful audio. The built-in 3.7V/1200mAh battery provides 3-4 hours of playback time on a single charge, making it perfect for long recording or broadcasting sessions. Specification BT Parameters: BT 5.0 BT Distance: 5-8m/16-26ft Signal to Noise Ratio: 106dB Output Power: 600mW Power Consumption: 5W Rated Input: 5V/2A Recording: 16bit/48KHz,90dB signal to noise ratio Replay: 16bit/48KHz,100dB signal to noise ratio Distortion: 0.1%(recording),0.005%(replay) Mic Interface: 3.5mm Line Interface: 3.5mm Earphone Interface: 3.5mm Musical Instrument Interface: 6.35mm Earpiece Interface: 3.5mm OTG Interface: Type-C Live Interface: 3.5mm Charging Interface: Type-C Product Battery Capacity: 3.7V/1200mAh Product Charging Time: 1-3H Product Playback Time: 3-4 hours Charging Parameters: 5V/2A Product Material: ABS plastic Product Color: Black Product Size: 17.5 * 11.5 * 2.5cm/6.9 * 4.5 * 1 inch Package List 1 * Sound Card 1 * Charging Cable 1 * 3.5mm Audio Cable 1 * Instructions