Extraordinary Design: Neckband style bluetooth headset ergonomic design with no extra burden provides most comfortable customizable fit. Foldable Feature easy to put it in your bag or pocket never too bulky to carry. Retractable Earbudsan unique intuitive wire management solution.</br>Incredible Battery Life: With 195mAh rechargeable battery music playing time up to 16 hours talking time up to 18 hours standby time up to 300 hours after 3.5 hours fully charged (Depend on volume).</br>Latest Technology: The bluetooth headphones built-in Bluetooth V4.1 chipset steady signal with low power consumption. Up to 10m/33ft distance range(Depend on Environment) you could feel free to talk hands-freely with HD Mic while in gym running or driving. CVC 6.0 Noise Cancelling technology delivers a high quality audio experience in stereo sound.</br>Outstanding Features: Boot-to-Pair automatically enter into paring mode when moving into the POWER ON location; Instant pairing after first sucessful pairing; Volume/Song Contorl; Incoming Call Alert Vibration; Incoming Phone Number Reporting; Smart Voice Prompt Reminder; IOS Battery Monitoring; Multi-points Technology?? allows to connect 2 bluetooth-enabled cellphone simultaneously; Double + Button to activate Siri?? Double Click - Button to adjust EQ sound effects.</br>Great Compatibility: Compatible with iPhone 6s Plus?? iPhone 6s?? iPhone 6 Plus?? iPhone 6?? iPad Pro?? iPad Air?? iPad Mini; Samsung Galaxy Note5?? S7 Ed