Welcome to our store! 1、[Bluetooth 5.0 Compatibility] Equipped with a built-in Bluetooth 5.0 chip with low power consumption, this sound card offers a stable and fast signal transmission with excellent compatibility. 2、[Adjustable Volume] With this live sound card, you can adjust the volume and balance of high and low sounds, background music, and microphone volume, and even add echo to your sound. 3、[6 Switchable Live Modes] Easily switch between 6 different live modes, including acoustic mode, recording studio mode, professional mode, pop music mode, shout mode, and KTV mode to suit different scenarios. 4、[Multifunctional Mixer] The sound card features a sleek and professional design and functions for precise and accurate tuning for fine-tuned mixing, providing clear sound effects for all your live broadcasting needs. 5、[OTG Lossless Transmission] The sound card comes with a built-in rechargeable 1800mAh lithium battery, which can be charged during live performance using the Type C interface. It also has an OTG cable for lossless transmission without the need for an adapter. Item Type: Sound Mixer Card Material: Metal Battery Type: Lithium Battery (built-in) Battery Capacity: 1800mAh 1 x Sound Card 1 x USB Cable 1 x Accompaniment Line 1 x Live Streaming Cable 1 x User Manual Customers are our top priority. If you discover any problems with your product after receiving it, such as damage or incorrect quantity, please contact us immediately. We strive to provide you with the best customer service.