Small starfish karaoke artifact, double horn, wireless microphone, Bluetooth reverberation phone, singing microphone.            Hao Hai small starfish, karaoke artifact, double horn, wireless microphone, Bluetooth reverberation phone, singing microphone.            Main parameters:            Product model: SS-M2            Output power: 3W*2 (double loudspeaker)            Sound pressure range: >115dB 1Khz THD<1%            Resistance: 2*3 Omega            Connection mode: Wireless Bluetooth wired connection            Battery: 4.2V lithium battery            Battery capacity: 2200mAh            Battery length: more than 15 hours            Charging: DC 5V /0.5A            Charge time: 3-4 hours            Material: Aluminum            The wireless K - Song Bluetooth microphone has an integrated integrated sound box, a wide sound box cavity, and the speaker uses a proprietary acoustic resonance technique to minimize unnecessary air vibration and improve the audio performance. Optional high / medium / low / conference four classic scenarios. The wireless microphone is zero delay, unique chip integration and micro antenna technology to ensure that the sound quality of the singing sound is nondestructive, perfect mixing, maximum reduction of the singer's acoustic line dynamic range, and the built-in large capacity lithium battery can be used for 18 hours in a continuous period. The Bluetooth sound box is redefined, and the multiple functions are integrated. There is no need to plug in, without access to the Internet, without connection, the wireless microphone and the sound box are connected automatically to support high quality Bluetooth audio transmission. It also supports cross platform third party K song software, and mobile terminals support Android and iOS's singing, national K song, cool me, MI goo, etc.