Bluetooth® technology lets you connect to your smartphone or tablet for music, movies, and calls. The P2i military-grade nano-coating protects the earbuds against sweat, moisture, and spills. Inline controls make it easy to take calls, skip tracks, and adjust volume. Compact design easily slips into your pocket and tangle free cable keeps things simple. Three sizes of cushioned eartips and stabilizers make the fit custom and comfortable for active use and all day wearing. Enjoy your favorite music or movie with up to 4.5 hours of listening and 5 hours of talk time. DeepSleep mode puts buds into hibernation when away from the phone, extending battery readiness up to six months. Headset battery meter automatically shows onscreen for iPhone® and iPad®. Plantronics Battery Meter widget enables a headset battery meter on AndroidTM 3.0 tablets, and Android 4.0 phones and tablets