1. The wireless microphone is compatible with Bluetooth 5.0 chip, supports stable transmission, and can bring you high-fidelity, surround, and loss sound effects.2. The wireless microphone is made of ABS material and silicone, which is environmentally friendly and durable.3. The length of the wireless microphone is 21 cm, the width is 7.3 cm, and the height is 7.3 cm. LED colorful lights can enrich your singing experience.4. Wireless microphones are suitable for many types of devices such as smartphones, laptops, tablets, etc. Supports Bluetooth compatibility, TF card and other connection methods.5. This wireless microphone has a cute cartoon shape and interesting voice-changing function, making it a good choice as a gift for your children or students.Product name: wireless microphoneMaterial: silicone, ABSModel: K5Pickup: condenserSpeaker power: 4, 5W (speaker output)Frequency response range: 30Hz~20KHzMaximum sound pressure level: >115dB 1KHz THD