DUDAN Radiation Proof Retro Phone Handset Call Receiver Multifunction Wired Headphones Stylish Comfort Telephone Handset Mobile Phones

Material: ABS. Impedance: 150ohm. Sensitivity: 111dB3%. Function: Noise reduction system to improve call comfort. Plug: 3.5MM. Frequency range: 20-20000HZ. Adjustment Mode: Button. Package Includes: 1 Piece Telephone Handset. Speaker diameter: 38mm. Impedance: 150ohm. Size Chart: 21x5x6cm/8.27x1.97x2.36inch. Line length: about 1 meter long. Material: ABS. Plug: 3.5MM. Function: Noise reduction system to improve call comfort. Connection plug: 3.5MM four tips. Sensitivity: 111dB±3%. Features: Noise-cancelling system, high-quality speakers and microphone for improved call comfort. Buttons: Simple and light-touch buttons, answering and hanging up calls, convenient and easy to use. High-definition speaker and microphone: There is a button on the side of the microphone to adjust the volume. Soft to the touch on the outside: suitable for home and office. Move away from your phone to eliminate up to 99 of radiation absorption. Compatible with mobile phones and computers: Compatible with most 3