New, unused, unopened. Reference price: This product is sold on Amazon for 3,999 yen. 【Karaoke Set】 Brand: HolyCrab Connectivity Technology: Bluetooth Color: Beige Compatible Devices: iPhone, Tablet, Laptop, Smartphone, Android ✴︎Includes 2 microphones 【Bluetooth 5.3】 The portable Bluetooth speaker comes with a wireless karaoke microphone. With built-in Bluetooth 5.3, it offers an operating range of approximately 10 meters. This portable Bluetooth speaker provides a more stable signal connection with all Bluetooth devices. 【Powerful Sound Penetration】 Adopting advanced and powerful MP3 audio decoding technology, the sound quality is clear and powerful. This wireless speaker also features a high-fidelity sound system and LED light show. 【Convenient and Lightweight】 Very lightweight for home use, perfect for children to sing. The speaker emits a notification sound to indicate successful connection, and the blue indicator light is always on. If the device is not connected, the blue indicator light will flash. After pairing is successful, you can play or pause music by pressing the "short press play" button. 【Long Battery Life】 The portable karaoke machine can be used continuously for 8-10 hours on a single charge. Children can enjoy it without interruption during play or travel. The compact and lightweight design enhances portability and offers wide compatibility with smartphones, tablets, laptops, etc., and can be used as a versatile audio output. 【Technical Conformity Certification】 This product has obtained technical conformity certification under the Radio Law, so you can use it with confidence.