Ultra-thin body. Mobile phone size, thin design with sound card and headset functionality, ideal for live broadcasting anytime, anywhere. Intelligent noise reduction with one-touch operation. Enhanced sound processing with anti-interference technology for clear vocal performance. Offers 13 tone settings in electric mode, allowing varied tonal effects for added entertainment value.Features nine live control modes. Includes one-button access to 9 types of warm-up functions, helping enhance live broadcast atmosphere and engagement. Five categories of professional audio adjustments: high and low frequency controls, accompaniment volume, phone input, monitor adjustment, and reverb settings.Includes original sound cancellation function, a core feature for live streaming. Automatically lowers music volume when the user speaks, restoring it when speaking stops. Also features a vocal removal option that retains melody only, suitable for karaoke use.Preset voice modes include gender voice transformation (male to female, female to male), child voice, shout mode, and more, providing realistic and dynamic sound effects.Supports Bluetooth-enabled accompaniment transmission. High-quality wireless connection eliminates the need for complex wiring, enabling greater freedom during live singing sessions. Simply enable Bluetooth on your mobile device, search for and connect to K9. Once paired, the Bluetooth indicator lights up, allowing playback and transmission of accompaniment music from your phone to the sound cardsimple and convenient.Compatible with Android phones, PCs, and tablets. Works across brands and models with plug-and-play functionality.Model: K9 Style Options: A: Sound card + audio cable + data cable B: Sound card + built-in microphone + audio cable + data cable + monitoring earphone + receiving package Reverberation Mode: DSP Reverb Channels: 2 Type: Sound Card Power Supply: High-rate lithium battery Battery Capacity: 1036mAh Charging Voltage: DC 5V Working Time: Up to 12 hours on full charge Supported Devices: Android phones, PCs, tablets Supported Modes: Chat, singing, KTV, electronic sound, shout mode, reverb, voice change, original sound Dimensions: 151 x 76 x 12 mm / 5.9 x 3 x 0.47 in Color: Black Material: Plastic Package Contents: 1 x Voice Changer 2 x Audio Connecting Cables 1 x USB Charging Cable 1 x Earphone 1 x Microphone Note: Product includes only the items listed above. Other accessories not included. Slight color variations may occur due to lighting and screen display differences. Measurement error allowance: +/- 1-3 cm.