High sound quality-wireless Bluetooth, 3D stereo sound effects, so equipped with high-quality speakers, the sound is loud enough to provide high-fidelity sound quality. After connection, it can be used as a microphone, children's toy, Bluetooth speaker, etc.Two-way connection-Bluetooth connection and 3.5mm audio jack connection, including Bluetooth devices such as smartphones, laptops, and most singing applications. It is also highly compatible, so it supports micro SD cards up to 32GB (not included).Excellent design-portable microphone, designed for the hands of both children and adults. Mini family KTV, play music at any time. It is suitable for children, teenagers and adults over 4 years old.Microphone battery-built-in 1800mAh rechargeable battery, supports playing or singing for at least 4 hours, not only has a long standby time, but also has a fast charging speed.Ideal gift-wireless microphone unique packaging, exquisite design, suitable for parties, weddings, travel, family, playing and singing anytime, anywhere. This is also a unique gift for your childs family or friends, the gift you want.Products include:1x microphone, 1x USB data cable, 1x user manualSignal to noise ratio: 85DB;Audio range: 150 ~ 20 kHz;Continuous use for 3-5 hoursAudio interface: 3.5mm stereo headphone plug;Built-in battery: 1800MA lithium battery;Charging time: 2-3 hours;Clear sound qualityTransmission distance: 10 meters (32.8 feet);Reverberation mode: echo reverberation;Playing time: The volume is increased in the middle of a full charge