Frequency: 2.4GH

 Input voltage: DC4.8-5.4V 

Charging port: for Lightning/for Type-C 

Battery capacity: 80mAh 

Transmission Distance: 8 m barrier, 20 m barrier free 

Microphone size: 62*23 * 28mm 

Microphone weight: 7g 

Receiver size: 45*27 * 7mm 

Receiver weight: 4g 

Package included: 1 x Rechargeable Wireless Microphone 1 x Receiver 1 x English Manual 1 x USB cable