Sound Card & Audio Equipment & Wireless Microphone Set Multifunctional Rechargeable BT Sound Card Electric Sound Broadcast Equipment for Singing/Live Broadcasting/ Recording Voice and Music Compatible with TV Computer Android Phone Features: A professional recording live broadcast equipment that has complete functions, simple operation, and easy to use. Supports multiple connection playback modes, including OTG connection, Aux audio cable, TF card, and BT accompaniment. Supports BT connection to multiple devices, such as TV, computer, Android mobile phone, projector, etc. It has adjustable treble and bass, one-key dodge, one-key elimination of original sound, one-key noise reduction, and other functions. Colorful lighting effect when playing music. Support with multiple modes and special effects adjustment. Support for high-quality recording and live streaming. Large capacity 4000mAh power battery, with a battery life of up to 5 hours after fully charged. Intelligent sound card audio all-in-one machine, suitable for live broadcast, outdoor entertainment karaoke, home karaoke, dance studio music playback, and more. Specifications: Type: Equipment Only / Equipment & Wireless Microphone Set (Optional) Material: ABS Input Voltage: 5V 2A Battery Capacity: 7.4V 4000mAh Noise: 70dB BT Version: V5.0 Speaker: 30W Working Frequency/Distortion Rate: 2.5G/10% Range of Frequency: 50Hz~22KHz Working Time of Battery: 5 hours Time for Fully Recharge: 10 hours Connector for Recharge: Type-C Distance of Transfer with BT: 10M Working Temperature: -10~45 degree Equipment Size: 325 * 143 * 84mm / 12.80 * 5.63 * 3.31in Equipment Weight: 1439g / 3.17lb Package Weight: 1771g / 3.91lb, 2215g / 4.89lb Package Size: 35.5 * 16.5 * 16cm / 13.98 * 6.50 * 6.30in Package List:(Optional) Equipment Only: 1 * Sound Card & Audio Equipment 1 * Shoulder Strap 1 * Audio Cable 1 * Type-C Machine Charging Cable 1 * Type-C Android Transfer Cable Equipment & Wireless Microphone Set: 1 * Sound Card & Audio Equipment 1 * Shoulder Strap 1 * Audio Cable 1 * Type-C Machine Charging Cable 1 * Type-C Android Transfer Cable 1 * Type-C Microphone Charging Cable 1 * Earphone 1 * Receiver 2 * Wireless Microphone 2 * Microphone Ring