1. HANDS FREE EARPHONE with BOOM MICROPHONE Hands free Communication for 900 MHz Cordless Phones and Cellular Phones High Performance Neodymium 15mm Speaker for Best Sound Quality Highly Sensitive Omni Directional Electret Condenser Microphone for Best Reception 2 5mm Plug Fitting Most Cellular Phones and 900 MHz Cordless Phones Ultra Lightweight and Compact Design Single sided Cord Unit Dimensions 2 63 x 3 x 2 25 WHD Blister Dimensions 7 75 x 8 75 x 3 WHD Carton Inner 50 Master 100 UPC 7 16829 26150 7