Built-in Battery for Uninterrupted Use: This professional audio mixer comes equipped with a reliable built-in battery, ensuring continuous operation and performance even when you're away from a power source. Perfect for outdoor live streaming or recording sessions. Certified Quality with CE and RoHS: The NX7 sound card meets stringent quality standards, certified by both CE and RoHS. This ensures that the product is safe and environmentally friendly, adhering to the highest regulatory requirements. Versatile Connectivity for Multiple Devices: Designed to work seamlessly with both PCs and smartphones, this audio mixer enhances your recording and streaming setup. It supports various input types, making it a versatile choice for creators who use multiple devices. Streamlined Operation with Bluetooth Integration: Streamline your audio management with Bluetooth connectivity that allows for wireless audio streaming. This feature simplifies your setup and enhances mobility, making it ideal for dynamic recording environments. Description/Features: OTG Lossless Sound Transmission: Experience crystal-clear audio with digital OTG connectivity, eliminating background noise and interference for pristine sound quality. Dual-Device Live Streaming: Enhance your live streams with dual smartphone support, allowing for collaborative and engaging streaming sessions. Bluetooth Accompaniment: Stream music wirelessly from your phone to provide seamless background tracks for live sessions or karaoke. One-Tap Vocal Removal: Instantly remove vocals from any track to create a professional karaoke experience with just a tap. Wide Device Compatibility: Compatible with a variety of devices including Android/iOS phones, PCs, and tablets through OTG, USB, and 3.5mm connections. Specifications: Signal-to-Noise Ratio: 106dB Output Power: 600mW Power Consumption: 5W Rated Input: 5V/1A Recording Quality: 16bit/48KHz, 90dB SNR Playback Quality: 16bit/48KHz, 100dB SNR Distortion: 0.1% (recording