Feature 1High Definition Stereo Sound Quality: Equipped with speaker driver and advanced digital signal processing, the sound is clear, the volume is moderate, and there is no noise. Press and hold the volume button while playing music to easily adjust the volume you want. 2Small: Whether you are at home or travel, bring it to sing if you want, 10x10x7cm mini speaker is easy to carry, put in the car, suitcase or bag. Suitable for indoor and outdoor parties, family gatherings to sing. 3Multifunctional Karaoke Machine: The karaoke machine ensures instant pairing through the built in latest bluetooth 5.0 chip wireless transmission, providing more stable transmission and longer distance. This portable karaoke machine also supports storage card, USB connection, and can even be used as a rechargeable battery to charge mobile phones and microphones. Suitable for your smart devices, phones, TVs, tablets and PCs, etc. 46 Amazing Sound Effects: Come with 6 kinds of magical voices, standard, ktv, female, male, doll sound, magic sound, a variety of voice changes, 1 click switching, change at any time, can meet more needs, bring more fun. Ideal for family outdoor gatherings, classrooms, presentations and many other occasions. 5Long Playback Time: This karaoke speaker has a built in 1500mAh rechargeable lithium ion battery, which can play music continuously for 8 hours, and the microphone has a built in 300mAh rechargeable lithium ion battery. Having fun without any interruption. Meet all of your fun singing needs.SpecificationItem Type: Mini Karaoke MachineMaterial: ABS, Metal, Electronic ComponentsWeight: Approx. 526g / 18.6ozSpeaker Size: Approx. 10x10x7cm / 3.9x3.9x2.8inMicrophone And Speaker Battery Type: Lithium Battery (Microphone And Speaker Are Shipped With Built In Battery)Microphone Battery Capacity: 300mahSpeaker Battery Capacity: 1500mah .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Speaker1 x Microphone1 x Data Cable1 x Instruction Manual