[ chip] Built-in chip, the original-effect, after opening the reverberation effect, the sound fullness is high and the sense of space is more thorough, and the double noise reduction is more thorough [the radio is more flexible] 360 degree full finger radio, after thousands of tests by the team, the simulation of the microphone accurate tuning sound transparent and plump your every sentence is clear [charging while using] live when the mobile phone is not afraid of power, the receiver connected data line can charge the mobile phone, its own charging bin, a full charge can be used for a week, go to where to charge, no longer have to worry about poor battery life [Plug in can be used] Wireless connection is more convenient, plug in can be used, no wiring, no APP, the new 2.4G wireless technology second broadcast second connection [Vlog or live] Vlog mode intelligent noise reduction sound is clear, live mode with reverberation sound effect, 30m transmission range in the outdoor without worrying about the distance problem, easy to control a variety of occasions Transmission: 2.4G Charging current: 70mA Charging capacity: 600mAh Frequency response: 40Hz-20Kz Signal to noise ratio: 275dB Input voltage: DC4.8-5.2V Colour:Black Material:plastic Package Contents: 1 x Wireless Microphone set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.