Features:

• More freedom of video recording for you, stable signal, and fast response. 
• It is still connected video recording and not restricted to 20 meters distance
• Frequency: 2.4GHz
• Input voltage: DC4.8-5.4V
• Charging port :for Lightning/for Type-C
• Battery capacity: 75mAh
• Transmission Distance: 8 m barrier, 20 m barrier-free
• Microphone size: 60*15 * 10mm
• Microphone weight: 7g
• Receiver size: 44*28 * 7mm
• Receiver weight: 3g
• 1 x Rechargeable Wireless Microphone
• 1 x Receiver
• 1 x usb c cable