This item is a handheld . It has a built-in 1800mAh battery, which allows you to sing or speaker without connecting with a speaker, a perfect for home or outdoor. Features - Material: ABS, Silicone - Size: About 21.00X6.50X6.50cm/8.25X2.55X2.55in - Horn Power: 4 /5W (the speaker output). - Frequency Response Range: ~20KHz. - Maximum Sound Pressure Level: >115dB 1Khz <1% - Power Supply Mode :5V 18650 battery - Battery Capacity: 1800mah - Use Time: About -5H. - Charging Time: About 3H. - Operating Temperature: -10 degree centigrade-45 degree centigrade - Connection Mode: Wireless connection/ card - Fine workmanship ensure the practicality and durability. - It can make wireless connections over long distances. - It is suitable for singing, partying, and family entertainment. - It can create a high-quality listening experience for you. - LED colorful lights, sing more with more sense. Package list: 1 x microphone 1 x specification 1 x USB cable