Skullcandy Crusher Headphones with Built-in Amplifier and Mic, Granny Floral Dark Grey and Red STABLE, FAST, EASY PAIRINGN - ever worry about walking away or losing your connection again. Bluetooth headset ear buds INSTANTLY PAIR with ANY Bluetooth device in seconds - your cell phone,TV, laptop, tablet, smart watch, really anything, then STAYS CONNECTED, providing CALLS and CHATS with SIRI - crisp, clear, unrivaled sound quality as you move about your day with an UNWAVERING, STABLE SIGNAL from 40 FEET AWAY. Humanize Designed - Weight only 8g, lightweight and secure, comfortable fit with most shape of ears. While you moving around or working out won't popping off. Very suitable for answering calls or listening music. Long Battery Life - Built-in 3.7V/ 80 mAH lithium battery, allowing you to enjoy your music for a long time up to 3-4 hours, up to 4 hours of talking time, and 50 hours of standby time with a quick charge of only 30 minutes. During the charging process, the indicator light will turn red, and after full charge, the indicator light will turn blue. Please unplug the charger at this time Truly Sweatproof Technology - SweatGuard is specially designed to resist the corrosive properties of sweat.