1. Radiation Proof Mobile Handset 2. Retro Style 3. Clear Voice 4. Volume control, answering button 5. OEM/ODM Features:1. Radiatoin Proof2 ... , Red, purple, yellow, pink, green, orange, black, whiter, pearly white3. OEM&ODM provided4. Frequency:20-20000Hz 5. Sensitivity: 111dB±3% 6 ... general mobile phones Mobile handle parts description: a. DC plug: 2.5mm or 3.5mm DC plug optional for different Mobile ...