Feature: 1. Quality Sound Card: Bluetooth sound card delivers exceptional sound quality with a frequency response of 20Hz‑20kHz and low total harmonic distortion, which supports 12 kinds of electric sound effects, 20 kinds of special effects ambient sound. 2. Versatile Compatibility: Recording sound card is compatible with both PC and mobile devices, allowing you to use it seamlessly with your computer or smartphone. Enjoy professional grade sound recording and streaming wherever you go. 3. Enhanced Performance: Live sound mixer board features a headphone output power of 20mW, ensuring optimal sound performance with your headphones. Immerse yourself in high fidelity sound with reduced background noise. 4. Wireless Connection: With Bluetooth 5.2 technology, this sound card provides a stable and fast wireless connection to your devices, which supports 48V microphone, support mix switch, simple input mute control, reverb melody 5. Long Battery Life: Sound mixer card is equipped with a 2400mAh lithium battery, offering up to 6 hours of continuous usage. Stay powered for extended streaming sessions without worrying about running out of battery. Specification: Item Type: Live Sound Card Mixer Material: ABS Frequency Response: 20Hz-20kHz Total Harmonic Distortion: THD < 0.05% at 1kHz Headphone Output Power: 20mW, 320Ω (1kHz, THD+N = 1%) Sampling Rate: 48kHz/16bit Wireless Connection: Bluetooth 5.2 Battery Type: Lithium Battery Battery Capacity: 2400mAh (included) Charging Time: Approximately 3 hours Usage Time: Approximately 6 hours. Package List: 1 x Sound Card 2 x Sound Cables 1 x USB to Type C Cable 1 x Type C to Type C Cable