Features 1. Excellent sound quality - Our mini karaoke machine has high fidelity sound quality and strong bass, allowing you to enjoy the pleasure of singing. Amazing volume and excellent sound quality, allowing you to become a superstar on stage! 2. 5 Fun Sound Variations and Rhythm Lights - This children's karaoke machine offers multiple sound variation options: girl voice, boy voice, baby voice, monster voice, and original voice. 5 magical sound effects add more fun, and LED lights synchronize with music to create a vibrant party atmosphere! Sing freely and play new tricks! 3. Long playback time - Equipped with a rechargeable battery, it can provide 5-10 hours of uninterrupted entertainment experience. Fast charging, long-lasting battery life, allowing you to enjoy singing. Whether it's a birthday party, meeting, classroom, or outdoor activity, this portable Bluetooth speaker and wireless microphone combination can meet all your "joyful singing" needs. 4. Convenient connection and strong compatibility - supports Bluetooth 5.3. Connect the karaoke machine to your phone, tablet, or any other device via Bluetooth. This mini karaoke machine also supports TF cards or micro SD cards as music sources. Bluetooth speakers allow you to easily enjoy music. 5. Perfect Gift - This karaoke machine features exquisite color design and elegant gift packaging, making it the best gift for boys and girls aged 3-10. It is an excellent gift for Halloween, Christmas, Thanksgiving, New Year, Valentine's Day, birthdays, and weddings. Specification parameters: Model: Y2 Bluetooth version: Bluetooth 5.3 Peak output power: 5W × 2 Speaker: Dual 16 core magnetic speaker Signal to Noise Ratio (SNR): ≥ 90 dB Frequency response: 120 Hz -20 kHz Power input/charging: DC 5V 1A Supported audio formats: MP3/WMA/WAV Speaker size (driver unit size): Ø 97 mm × 115 mm Control method: button control Play time (medium volume): approximately 8-10 hours Earphone interface: 3.5 mm - supports headphone monitoring Built in battery capacity: 1000 mAh -1200 mAh Package Include: Bluetooth Speaker （with 2 Wireless Microphones）