1、MULTI DEVICE COMPATIBILITY: It connects effortlessly to various devices, including televisions, TV boxes, projectors, phones and computers via high definition multimedia interface or CVBS. Enjoy karaoke anywhere, breaking the limitations of traditional setups. 2、BUILT IN SPEAKER SUPPORT: No need for external speakers, simply use your TV's built in speaker for karaoke enjoyment. This feature simplifies your setup, making it an ideal choice for home karaoke systems. It also supports external speakers.. 3、4K VIDEO CONVERSION: Enhance your karaoke experience by converting 1080p and lower resolution videos to 4K 2K quality. Pair it with a high resolution display for the best visual and auditory delight during your singing sessions. 4、PROFESSIONAL MICROPHONE INPUT: Supporting for two standard wired microphones, this mixer allows for sing along with friends or family, elevating your karaoke interactions. 5、ADVANCED SOUND ADJUSTMENTS: Equipped with sophisticated reverb and echolocation controls, plus independent volume control for each microphone, this mixer ensures that everyone achieves their best sound. Item Type: Karaoke Sound Mixer Material: Aluminum Alloy Host Ports: 4K HD Multimedia Interface Input, CVBS Input, 4K HD Multimedia Interface Output, CVBS Output, DC Power Supply, 2 Microphone Line Inputs, 2 Microphone Volume Adjustments, Master Volume Adjustment, Echolocation Volume Adjustment, Headphone Slot Karaoke Sound Mixer Size: Approx. 16x10x2.5cm / 6.3x3.9x1.0in 1 x Karaoke Sound Mixer 1 x Instruction Manual 1 x Sound Cable 1 x HD Multimedia Interface Cable 1 x Adapter