Game Ear Razor Slim Electronic Muff – Flat Dark EarthTop of the line GSM product razor slim electronic muff – ear muff game ear slim Tactical Series GWP-RSEM-TL ear muff. Razor Walkie Talkie Handsfree Communication up to 3 Miles, BlackVoice Activated Transmit (VOX), allows for hands-free communication up to 3 miles. Willkie Talkie Attachment has 22 channels and 99 sub channels for your family and friends to join. Which allows for hands-free communication up to 3 miles. Product 2: Powered by 2 (AAA) batteries included Product 2: 22 Willkie Talkie Attachment has 22 channels and 99 sub channels for your family and friends to join.