Feature: 1. Eliminate Original Singing Function: One key eliminate original singing, 1s to change the accompaniment, built in elimination of the original singing function, quickly eliminate the original singing 2. Audios Visual Feast: Create a momentum K song, focusing on the atmospheres in the live broadcast to bring cool audios visual feast 3. Long Standby Time: With long standby time, can listen to 240 songs continuously or keep K songs more than 6 hours 4. Easy to Enjoy: Wireless, easy to enjoy, say goodbye to cumbersome, of course you can enjoy the fun of singing anytime, anywhere 5. Better Stability: Better stability, stronger signal, clear sound quality without delay, used various occasion Specification: Item Type: Karaoke Wireless Microphone Material: Metal Colour: Speaker Specifications: External Magnetic Approx. 52mm / 2.05in x 1 Audios Noise Ratio: >90db Built In Voltage: 3.7V Charging Voltage: 5V/2A Normal Volume Playback: 3-5h Wireless Transmission Range: Approx. 10m / 32.8ft Specification: 5.0 Speaker Power: 3 ohms/5W x 1 Frequency Response: 150HZ-20kHZ Built in Battery: Lithium Battery x 1 1200mAh Shipped with built in battery Package List: 1 x Microphone 1 x Data Cable How to use: Can be used directly.