1. Stereo Sound: Equipped with an advanced digital signal processor, the sound is clear and the volume moderate. Press and hold the volume button to decrease volume while playing music. Small and portable, it can be placed in your car, suitcase, or bag. 2. Multifunctional: Wireless transmission via the latest built-in Bluetooth 5.0 chip ensures instant pairing, providing more stable transmission and longer range. It also supports memory cards, USB connection, and can be used as a power bank to charge your phone and features a microphone. 3. Multiple Voice Effects: 2 microphones are ideal for duets and dances. With 2 microphones, there are 6 types of voice effects: original, cat acoustic, male voice, female voice, doll voice, and magic voice, meeting diverse needs and adding fun. 4. Long Battery Life: Built-in 3000mAh rechargeable lithium-ion battery can play music continuously for 5 hours. Microphone features a built-in efficient 1200mAh rechargeable lithium-ion battery for enhanced practicality. 5. Wide Application: This karaoke machine is perfect for family gatherings, classrooms, speeches, and more. Specifications: Item Type: Karaoke Machine Material: ABS, Metal, Electronic Components Product Size: Approx. 15x9x8cm / 5.9x3.5x3.1in Weight: Approx. 789g / 27.8oz Microphone & Speaker Battery Type: Lithium Battery (Microphone and speaker come with built-in battery) Single Microphone Battery Capacity: 1200mah Speaker Battery Capacity: 3000mah Package Includes: 1 x Karaoke Machine 2 x Microphones 1 x Data Cable 1 x Instruction Manual