Description: Bluetooth Microphone: Portable hand-held wireless Bluetooth microphones with three layers noise reduction, can be used as microphone, loudspeaker, 5 kinds of modes voice change. Long Playing Time: Built-in 1800mAh rechargeable battery, charge for 3h, play 4-5 h. 3 Ways Connection: Connect the mic via Bluetooth or a 3.5mm audio cable, or insert a TF card. Compatible and Led Lights: Fit for iOS and Android and MP3 players etc.. 7 colorful led atmosphere light dancing with the rhythm of the music. Stereo Effect and Noise Reduction: Metal outer mesh and the inner sponge three layers noise reduction to maintain the real sound, keep your voice clear. Specification: Name: K5 song Microphone Pickup: Condenser Microphone Reverb Mode: Reverb Transmission Distance: 115dB 1Khz THDSize Chart: Size: approx. 210x73mm / 8.26x2.87 inch Package Includes: 1 Piece Bluetooth Microphone 1 Piece Manual 1 Piece Charging Cable