• Support bluetooth answering function
• Comply with bluetooth V2.1+EDR, 10 meters’ transmission scope
• Pick-up / hang-up button, and volume + / - buttons
• Noise-reducing technology for a crisp and polished sound
• Luxurious soft-touch finish for ultimate comfort and feel
• Anti-radiation: Eliminates up to 96% radiation compared to a direct use of mobile phones
• Compatible with iPhone, iPad, Mac           

• Bluetooth version:2.1V+EDR
• Sensitivity rate:-42±3dB
• Power:10mw
• Speaker Driver: 2.2?
• Impedance: 150?