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: <=10m Output power: 5W Speaker specifications: 40mm 40/5w Charging time: about 3h Play time: 4-5h Battery capacity: 1800mah Product size: 210x73mm Product net weight: 240g Audio input: Bluetooth/TF Speaker power: 4 5W*1 (speaker output) Frequency response range: 30Hz~20KHz Maximum sound pressure level: >115dB 1Khz THD<1% Bluetooth version: 5.0 Microphone material: ABS+silicone Size Chart: Size: approx. 210x73mm / 8.26x2.87 inch Package Includes: 2 Pieces Bluetooth Microphones 2 Pieces Manuals 2 Pieces Charging Cables