BEFORE PLACING YOUR ORDER CONTACT US SO WE CAN CONFIRM AVAILABILITY AND OFFER YOU A DISCOUNT CODE. YOU MAY DO THIS VIA CHAT OR EMAIL [email protected] SEND US THE PRODUCT NAME AND WE WILL PROVIDE THE DISCOUNT CODE. WE PREFER CHAT TO GET RESPONSE.Our over-ear headphones featured with a frequency response of 85-108MHz, more than 50dB SNR(signal to noise rate) and less than 2% distortion, offering you a crystal clear sound without compromise. Providing you five functions (Wireless monitors, receiving clear sound when TV set mute function, search and receive FM radio channel, chat with your pen pal friends through inbuilt microphone, freely shift between wireless and 3.5mm wired earphone ). Up to 30m/98.4 feet theoretically transmission distance, durable material and user friendly design enable it to be widely used in tablet PC/ Laptop / Cellphone / Radio / CD and MP3 players / TV sets, computers or other electronic devices with audio output.