Features 1. Turns into a Bluetooth speaker in seconds, one thing is dual-purpose: built-in loudspeaker function, 360-degree surround sound, Bluetooth direct connection, enjoy free playback, high-fidelity restoration of clear sound quality, rich and full sound details, and enjoy a private music feast. 2. Three-way sounding, 60 degrees presenting real sound details: independent research and development and innovation patents, real three-way sounding, dual magnet drive, metal coating film, imported speaker voice coil, clear and balanced, good audible sound. 3. Adopt dual-core DSP digital mixing chip and super-cardioid pointing design to automatically filter environmental noise. In-depth research and development based on the big data of 450 million users of Sing Bar, and continuously optimize the software algorithm, fit a variety of genres, and automatically beautify your voice. 4. The honeycomb micro-matrix anti-seismic structure can offset the impact of internal and external sound waves, suppress howling, and clearly capture every detail of the sound. 5. Built-in 1800mAh super-capacity battery, which can realize 10 hours long battery life with one charge. If you forget to turn off the power of the microphone after use, the speaker microphone will automatically shut down after 10 minutes to manage the power reasonably, and ensure that you can sing and sing anytime, anywhere. 6. When recording a song, please use an audio cable to connect the microphone to your mobile phone, and use apps such as Sing Bar to record the song. Specification 1. Main chip: dual-core digital DSP 2. Radio frequency shielding: anti-interference from mobile phones/SMS 3. Recording mode: listening wet and recording wet 4. The outer diameter of the capsule: 14mm 5. Type of capsule: condenser capsule 6. Sensitivity: -37dB 7. Frequency response: 20HZ-20KHZ 8. Directivity: Supercardioid is greater than or equal to 15dB, the difference between 0 degrees and 180 degrees @1KHZ 9. Power supply mode: built-in lithium battery 10. Charging power supply: DC5V