Jaybird Freedom 2 In-Ear Wireless Bluetooth Sport Headphones with SpeedFit Ships without the retail packaging to save on shipping. Secure-fit - you don’t have to Think about your ultra-small buds staying in while you run, no matter how hard you runSpeedfit - switch to an Under-Ear fit in Seconds for easy access to the mic when a call comes inSweat-proof - sweat is a part of your routine, and freedom 2S sweat-proofing technology stands up to every drop of sweat you dish outCustom sound - pump up the bass - freedom 2 works with the Jaybird app to give you your music, your way with drop-free Bluetooth signal strength. 8 hours in your pocket - you can run for hours without worrying about your battery lifeFREEDOM 2 is compatible with any Bluetooth device including iPhone, Apple Watch, iPod Touch, iPad, iPad mini, Android, Windows, Blackberry, Android Wear Smartwatches, PC, Mac and gaming devicesIn-ear designFits securely and directs music into your ears for full, uninterrupted audio.Bluetooth 4.1 interfaceEnables simple wireless pairing with your Bluetooth-enabled device. Supports HFP, HSP, SPP, A2DP and AVRCP Bluetooth profiles.Secure-FitEnsures you get the most secure and comfortable fit with a variety of customized fit-options.SpeedFitAllows your earbuds to be used either in the traditional under-ear style for music and calls, or over-ear, designed for those wanting a great sports music experience.Noise isolationHelps minimize background sounds.Rechargeable batteryOffers up to 8 hours of use and lasts up to 110 hours on standby mode.In-line microphoneLets you enjoy hands-free calls.Sweat-resistantProvides protection from sweat, so you can easily wear headphones while working out.6mm driversDeliver powerful sound.20Hz - 20kHz frequency responseFor faithful sound reproduction.16 ohms impedanceTo efficiently conduct power.96dB sensitivityProvides powerful audio.Stereo designDelivers crisp tones.Metal exteriorFor stylish looks and durability. What's IncludedJaybird Freedom 2 Wireless Earbud Headphones3 pairs of Ear Tips2 cord management clipsUSB Charging Cable/ClipCarrying caseShips without the retail packaging to save on shipping