1、With Speaker: Combining the microphone with speaker, the mic with compact size surging sound and better sound quality. 2、Easy Control: Clear panel together with raised buttons makes the operation much easier, also very comfortable to hold. 3、Great Effect: Designed to have reverb sound effect, the microphone will bring more entertainment and enjoyment to you. 4、Wide Utility: Enables wide application in various places, including karaoke, home, party, wedding, meeting and so on. 5、Simple Carrying: Power by built in battery, the wireless mic is very simple to carry, ideal for indoor and outdoor. Item Type: Microphone Colour: Blue Material: Metal Battery Capacity: 1200mAh Reverb Mode: Sound Effect Reverb Efficiency Range: 100Hz-10KHz Power Supply Mode: 1 x built in 18650 lithium battery(delivered with built in battery) Charging Power Supply: DC 5V Output Power: 3W 1 x Microphone 1 x User Manual 1 x Charging Cable