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To the Taisao relatives:   

       Please note when purchasing: This head-mounted invisible 2.4G mini skin color wireless microphone needs to be used with audio, amplifier, amplifier, etc., and cannot be used independently.As long as there is a microphone socket or audio input socket, the receiver is inserted and automatically connected to the power supply, it can be wireless amplifier and KTV functions. Note: This head-mounted invisible 2.4G mini skin color wireless microphone does not have an audio player. Intersection

We sincerely recruit agents from all regions across the country, as well as wholesale merchants such as Taobao, Tmall, and JD.com.This product already has an appearance patent: ZL201730484247.X, please feel free to promote it!  

1. Features of 2.4G wireless microphone:

1. 1. It adopts 2.4G wireless technology, the transmission distance can reach 40m, and there is no directional limitation for use.
2. 2. The transmitter has a built-in lithium polymer battery, which can last more than 8 hours at a time, meeting the requirements for all-day use. 
3. 3. Using professional ID code encryption transmission technology, each set of products has only an independent ID code.Multiple sets of the same equipment are used at the same location and do not interfere with each other. 
4. 4. Micro USB universal interface, easy to charge.

two, Instructions:

1. Turn on the transmitter and receiver power within a range of less than 2 meters, the handheld microphone is automatically paired, and the pairing successful microphone indicator light changes from a blue light to a blue light always on, and when the blue light flashes, it is prompted to low battery power. 

2. After successful pairing, the user can amplify the sound with a handheld microphone, and the maximum effective wireless transmission distance between the microphone and the receiver is 30-40 meters.

3. The volume adjustment switch is designed on the handheld microphone, which can adjust the volume at any time according to environmental factors.

one, Main technical parameters

  1. [Working voltage] Input Voltage Range: DC3.5V-5.5V;

  2. 【Maximum current】Maximum CurrentThe ≤40mA

  3. 【Battery Type】 Battery Type: Lithium polymer battery

  4. [Charging time] Charging Time:<4 hours

  5. [Use duration] Continuous Working Time The≥10 hours

  6. 【Carrier Frequency】 Frequency Band: 2400-2483Mhz 

  7. 【Modulation method】Modulation Method: GFSK

  8. 【RF Power】 RF Transmission Power The 10dBm

  9. [Transmission distance] Transmission Distance : 40m (open and accessible)

10. 【Receive sensitivity】 RX Sensitivity : -88dbm

11. [Sample frequency] Sampling Frequency: 16KS/s

12. [Signal and noise ratio] S/N Ratio The≥65db (f = 1kHz, P=1Pa A Curve)

13. 【Operating temperature】 Operating Temperature: 0 ℃ ~ 40 ℃