Nillkin E4 bluetooth 5.0 Neckband Earphone Flexible Sports Wireless Earbuds Magnetic Bass Headphone with Mic

Features 1 The E4 wireless earphones specially design for sports enthusiasts who like jogging and hiking 2 Flexible neckband which can be adjusted upon the size of wearers neck 3 The detachable ear wings made with selected skin friendly silicone material allowing the sports enthusiasts to fully enjoy the pleasure of sports and music 4 Using the wireless V5 0 solution equipped with the 10mm driver unit to create deep bass as well as soft vocal Lightweight skin friendly material 7h playtime 5 IPX4 waterproof and sweat proof fit for long time wearing Whether it is sunny or rainy in casual time or sports time you could enjoy music at your own will Specifications General SpecificationBrandNillkinModelE4ColorBlack RedWearing TypeIn earMaterialABS PCNet Weight g 33 5gTechnical ParametersMicrophoneYesWired ControlSupportbluetooth VersionV5 0Transmission Distance10mDynamic Driver10mmImpedance32Frequency Response20 20kHzBattery Capacity105mAh 3 7VCharging Time h 2hWorking Time h 7hStandby Time h 120hWaterproofIPX4PackageIncluded 1 Nillkin E4 bluetooth 5 0 Neckband Earphone1 USB Charging Cable 3 pairs of Eartips 1 English Manual