Bluetooth Wireless Stereo NFC Headphones - Over Ear Cordless Headphones with 3.5mm Wired Audio In, Rechargeable Battery, NFC Tap To Connect and built-in Microphone - Compatible with Mobile Phones, iPhone, iPad, Laptops, Tablets, Smartphones Black

Specification Of Bluetooth:- * Bluetooth version: V3.0+ EDR. * Operation distance: 10m. * Range of frequency: 2.4 to 2.4835GHz ISM ban. * Sensitivity: - 85dB. Specification Of MP3/FM:- * PC interface: USB2.0 * Music format: MP3/WMA. * TF card support: 128M-32GB. * FM frequency response: 87.5-108MHz. * Rechargeable Lithium battery: 350mAh. Specification Of Headphone:- * Type :- stereo headphone with MIC . * Speaker: 40mm. * Sensitivity :- 115dB S.P.L at 1KHZ. * Impedance: 32.0 Ω . * Frequency response: 20HZ-20KHZ. * Rated Power: 40mW . * Power capability: 100mW. * Microphone Unit: 4.5mmx2mm -58dB±3dB. * Plug Type: 3.5mm stereo . Feature:- * Allow you to enjoy digital-qualify music wirelessly and convert between music and phone calling mode freely. * Support TF card. * Support FM, can receive high-quality stereo radio. * Support Bluetooth stereo devices to receive A2DP stereo music from laptop computer, desk computer, tablet PC, iPhone, blackberry, Bluetooth adapter, MP3 player or any other device that supports Bluetooth stereo audio.