Wireless 2.4G Microphone Amplifier Portable Microphone, 1 In 1 Lapel Clip, 1 In 1 Headwear, 1 In 2 Lapel Clip, 1 In 2 Headwear Option:1 In 1 Lapel Clip and the wear-resistant sole design

and the wear-resistant sole design makes the foot feel comfortable

engine fault icon

which is comfortable and wear-resistant

and stop automatically after three minutes

Power adapter: DC 12V 1A

Wireless 2.4G Microphone Amplifier Portable Microphone, 1 In 1 Lapel Clip, 1 In 1 Headwear, 1 In 2 Lapel Clip, 1 In 2 Headwear Option:1 In 1 Lapel Clip and the wear-resistant sole design1. Battery capacity: 300mAh 2. Signal to noise ratio: 95dB+ 3. Frequency response range: 20Hz20KHz 4. Charging input: DC 5V 5. Usage time: up to 20h 6. Accessories: includes dual ended charging cable, 6. 35mm jack 7. Weight: receiver about 28. 2g, lapel clip about 35. 3g, headwear about 42. 5g 8. Size: transmitter about 6. 8 x 3. 5cm, receiver about 8. 5 x 3. 5cm Features: 1. Four comfortable wearing options: headset, lapel clip, handheld, or neck