KOTION EACH Wireless Headphones Bluetooth 4.1 Stereo Gaming Headset Support NFC with Mic Over-ear Headphones for iPhone6/ 6 Plus Samsung

Description

How to Use:  NFC cellphones touch the right earcup of the headphone within 10mm, and the Bluetooth headphone can be directly connected. (Before pairing through NFC function, please make sure your cellphone's NFC function is opened and the headphone is on pairing mode.  Specifications:  1.Bluetooth version: V4.1+EDR  2.Operation distance: 10m 3.Speaker diameter: 50mm 4.Microphone unit: 4 * 1.5mm 5.Impedance: 32ohm  6.S.P.L: 106dB S.P.L. at 1KHz  7.Frequency response: 20HZ-20,000HZ  8.Battery: Built-in rechargeable 3.7V/250mAh lithium-ion battery Music time: Approx. 10 hours 9.Talk time: Approx. 11 hours 10.Talk time: Approx. 11 hours 11.Input DC: 5V/130mA 12.Charging time: Approx. 3 hours  13.Plug type: 3.5mm stereo  14.Audio cable length: Approx. 120cm / 3.94ft  Package content:  1 * Bluetooth headset 1 * USB charging cable 1 * Audio cable 1 * English user manual