SENWOW Bluetooth v4.0 Earbuds Runner Headset with Mic, CVC 6.0 Noise-Cancelling IPX5 Sweatproof NFC Wireless Headphones for Running, Compatible with iPhone 6s, 6s plus, 6, 6 plus 5 5c 5s 4 and Android PURE HD SOUND IN-EAR: Equipped with CVC 6.0 Noise-Cancelling, filters out ambient noise, CSR4.0 high-quality sound, delivers super accurate HD sound, perfect Hi-Fi sound quality with powerful bass. WATERPROOF AND SWEATPROOF: IPX5 level waterproof technology, withstand sweaty workouts and will survive accidental dropping into water. EASY TO USE: Take calls with an in-built microphone and easy to use controls at your fingertips. Connected with the Bluetooth devices automatically with superior NFC function, one-to-two technology allowing the headphones to connect two devices at the same time, allows you switch between your business and personal phones with no issue. LONG PLAYTIME: Built-in 120mAh Lithium battery, support up to 6 hours of music,8 hours of talk time, or 150 hours standby time, recharge fully within 2.5 hours via the included Micro USB cable. iPhone / iPad / iPod support power displayed. UNIVERSALLY COMPATIBLE: Bluetooth v4.0 earphones compatible with iPhone 6 s/6s Plus/6/6 plus/5s/5c/5, iPad, iPod, Samsung, Sony, LG, Android Phone, or any Bluetooth devices up to 33 ft.