Transmission range 10 meters        
How to use head-mounted
Whether single and binaural bilateral stereo        
Color khaki,
Battery life of more than 8 hours (hours)    
Support Bluetooth, AUX, TF.FM
Waterproof performance, life waterproof        
Battery capacity 200mah
Material ABS+PU

Length 21cm width 18.4cm height 6cm