1. Frequency receiving range: 64-108MHz 
2. Receiving sensitivity: 5dB  
3. Product dimension: 80x28x20mm  
4. Battery: 2 x 1.5V AAA batteries(not included) 
5. Minimum operating voltage: 2.2V  
6. Maximum power output: 2.4MW  
7. Maximum current: 26MA  
8. Stereo separation: >=32DB  
9. Distortion degree: <=1%  
10. Standard accessories: headset, rope, white box, manual