[Superb Sound Quality] Experience superior sound quality with our karaoke machine featuring high-performance 10W stereo speakers for richer bass and clearer, louder sound. Even at maximum volume, the distortion-free voice effect remains perfect. With separate controls for Bluetooth karaoke machine and wireless microphone volume, you can have optimal control over your karaoke sound [4 Way Connection] 1. Bluetooth 5.0 version, ensures instant pairing and stable connection up to 33 ft away for skip-free music. 2. AUX-in, 3. USB input, 4. OUT. The karaoke machine for adults & kids is compatible with various devices including smartphones, tablets, laptops, electric guitars, and PCs to make sure you have a seamless experience [Long Lasting Battery Life] Enjoy non-stop music playing for up to 6-10 hours with the built-in 2400mAh high-efficiency rechargeable battery. Furthermore, the speaker works as a charging station to recharge your smartphone via the USB port, making it the perfect partner for indoor dances and outdoor gatherings without any restrictive cords [Easy to Use] The karaoke speaker comes with two wireless microphones, both rechargeable and automatically connected to the speaker when powered on. The easy-to-use design makes it the perfect option for all ages. The compact and portable design makes it suitable for travel or outdoor activities [Dancing Light+Magic Voices] Get the party started with our karaoke machine featuring three modes of dynamic dancing lights that create a romantic atmosphere for your home karaoke party. Four kinds of magic sounds are perfect for kids to use. Ideal gifts for Christmas, birthdays, home, car, weddings, and other parties Specifications: Product model: SD-508 Bluetooth parameters: JL Bluetooth 5.0 Speaker power: 10W Battery specifications: 3.7V /2400mAh Charging method: charger (5V-2A) Product material: ABS plastic Microphone charging time: 1- 2H Bluetooth distance: 10 meters Microphone distance: 10 meters Play time: 2- 3H Charging time: 2- 3H Net weight: 1.3KG Note: Noise can happen when the microphone is too close to the speaker, please make sure microphone pointing away from the speaker when use.