Welcome to the store! 1. SURROUND SOUND: Supports 360-degree surround sound, 2.2-inch large-diaphragm speakers; the treble is magnificent and transparent, the midrange is clear and dynamic, and the bass is deep and powerful. 2. SELF-REVERB: KTV-level surround sound speakers, wireless microphone comes with five karaoke sound effects, making singing fun. 3. RGB LIGHTING: 9 types of 16.8 million colors, with RGB light switching, exudes a trendy and cool feel, allowing you to enjoy the game with more atmosphere. 4. LARGE SPEAKER, LONG LIFESPAN: Equipped with a 57mm 4Ω 5W speaker with an 1800mAh high-capacity lithium battery, allowing you to listen to songs anytime, anywhere. 5. APPLICABLE SCENE: The karaoke machine set is compact and portable, easy to carry and use, suitable for outdoor, indoor, teaching, and live streaming scenarios. Item Type: Karaoke Machine Set Material: Plastic, Electronics Speaker: Speaker Model: K16 Speaker Bluetooth Version: 5.3 Speaker Power: 5W Speaker Diameter: 57mm/2.2in Speaker Frequency Range: 20Hz to 20KHz Speaker Operating Voltage: 3.7V Memory Card: Supports up to 128GB memory card (not included) Battery Type: Built-in 1 x 1800mAh battery (included) Microphone: Microphone: 2.4G wireless transmission Pickup: Rear-polarity condenser microphone Microphone Operating Voltage: 3.7V Battery Type: Built-in 1 x 400mAh lithium polymer battery (included) Includes: 1 x Bluetooth Speaker 1 x Microphone 1 x Charging Cable 1 x User Manual Your satisfaction is our top priority. We will provide you with the best service. If you encounter any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately, and we will provide you with the best solution!