1: Unique design with cool eyes    
2:Customized frequency
3: 3 channels option
4.Communication range:800M(in open space)
5:CTSS privacy code
6.With flashlight
7.Keytone available
8.Cool Eyes display
9.Roger Beep
10.Key lock function
11.Auto power saving
12.Torch function
13.Type-C USB port
14.Easily operate
15.HD sound quality
16.Roger beep on/off selection
17:Use 3 pcs AAA alkaline batteries (not include)
18:Use 3 pcs AAA Ni-mAh rechargeable batteries (not include)