Original Gorsun E2 Wireless Bluetooth Foldable Headphone Headset With NFC Function Microphone Built-in 200mAh Battery  For iPhone Samsung Huawei Xiaomi iPad Tablet PC     Features:   Foldable and compact storage、 easy to put into your bag.   Wireless bluetooth 4.0、 convenient to wear without worrying about cable.   Durable and soft material、 perfect noise isolation and comfortable to wear. So you can listen to music for hours in comfort.  40mm drivers for excellent bass.  You can stream your music wirelessly up to 10m\/33ft.  Built-in Li 200mAh battery、 charging it only for 2 hours but you listening to music for 8 hours.   Built-in microphone、 support hands free call.   Built-in NFC function. Specifications:          General Specification             Brand       Gorsun             Model       E2             Color       Black             Wearing Type       Over ear           Technical Parameters             Connectivity       Wireless bluetooth             Conectivity Interface       3.5mm audio jack             Output Power       5V!#!amp!*!plusmn;0.5V           Operation time       8 hours           Charge time       2 hours             Driver Unit       40mm             Frequency Response       20Hz-22000hz             Bluetooth Version       CSR4.0 8635            Transmission Range        8-10m    Package  Included:                 1 X Gorsun E2 Headphone           1 X charging cable           1 X AUX cable           1 X User's manual   More details: