1.    Various Colors available
2.     SNR=25dB
3.     CE: EN 352-4
4.     Size:11.5*10*12cm
5.     Wieght:0.205kg
6.     Amplify low-level sound.
7.     Automatically shuts off noise above 85 decibels (DB)
8.     Adjustable headband.
9.     Two independent volume controls
10. Two wind-resistant, high-frequency, microphones.
11. External 3.5mm audio input connects to MP3 players and scanners
12. Uses 4xAAA batteries (not included)
13. Easy to Change the batteries.
14. Material:Cup Material: ABS;Headband:STEEL,PVC