2.4GHz Digital Wireless Headphone, Built In Microphone / Lithium Battery

Brand Name: OEM Model Number: S-EP-024F Style: Headband Communication: Wireless Use: Computer Function: Noise Cancelling Place of Origin: Guangdong China (Mainland) Packaging & Delivery Packaging Detail: Q'ty/Carton : 16 pcs Carton G.W : 4.7 kgs Carton Size (L * W * H) :40cm * 30cm * 30cm Weight per 1 unit(including package) : 293 g Delivery Detail: 1-10days Specifications 2.4GHz Digital Wireless Headphone, Built in Microphone / Lithium Battery 2.4GHz Digital Wireless Headphone, Built in Microphone / Lithium Battery1) 2.4GHz high SNR uncompressed 10 M wireless transmission. Active FM type non-compression date transmission and unique date packet & splicing agreement, within the distance of 10M from computer to provide the high SNR(signal to noise ratio) of non compression audio transmission 2) Retractable stainless steel headband design. Simple headband design,comfortable to wear,built-in the stainless steel head beams and Wrapped with the Green rubber material, can be free expansion , for a variety of people who wear head shape 3) Rechargeable system. Headset built-in charging system,no need to replace batteries,rechargeable used to solve the troubles of the battery for consumers. 4) Volume Remote Control. Embedded Volume up / down design provides you to remote control the multimedia volume just through the Headset according to what you like. Enjoy your wireless hi-fi sound at anytime. 5) Embedded Microphone Design. Omni-directional built-in microphone design provides you to connect with your relatives and friends Via Skype,Yahoo on a PC / Laptop. 1) Wireless Carrier Frequency: 2400MHz-2483.5MHz 2) Rated current and voltage: 70mA/3.7V 3) Headphones Frequency Response: 20HZ-20KHZ 4) Microphone Frequency Response: 100Hz-8kHz 5) Headphone SNR(signal to noise ratio): 84dB (microphone on) 91dB (microphone off) 6) Mic SNR: ≥ 50dB 7) (Nd Fe-B Speaker) Driver unit:: Φ30mm 8) Microphone size: Φ2cm 9) Reception range and distance: 10M, 36010) Interface: USB 2.0 11) Size: 190x160x35mm