Feature:1. CLEAR SOUND: Karaoke machine adopts high and low sound separation technology, the sound is clearer, the bass is strong, the volume is more moderate, and all the noise is eliminated.2. NO DISTORTION SOUND: Microphone will not distort the sound even at higher volume, bringing amazing music and wonderful ambiance to your party.3. 3000MAH BATTERY: Karaoke machine adopts 3000mAh battery, charging for about 3 hours can continuously play music for 8 to 10 hours (volume levels determines the time duration), so you can enjoy the fun of singing anytime and anywhere.4. MULTIPURPOSE: The Bluetooth karaoke speaker machine can be used as a karaoke machine, portable speaker, music player and so on.5. LIGHTWEIGHT AND PORTABLE: The Bluetooth speaker can be carried by handle or strap, you can easily carry it to the beach and outdoor places.Specification:Item Type: Karaoke MachineMaterial: ABSUse: Lightweight structure, easy to carry and go out to play. It can be used as karaoke machine, portable speaker, music player, etc.Speaker Battery: 3.7V Lithium Battery x 1 Speaker Battery Capacity: 3000mAh (Ship with Inbuilt Battery) .Package List:1 x Bluetooth Speaker (Ship with Inbuilt Battery) 2 x Wireless Microphone (Ship with Inbuilt Battery) 1 x Sound Cable1 x USB Charging Cable1 x Carrying Strap1 x Instruction ManualNote:Ships without Memory Card