Samnyte Wireless Ergonomic Bluetooth 4.1 Over Ear Headphone Built-in Mic 12 Hour Battery Noise Reduction Echo Cancellation, Perfect Headset Gaming Music ADVANCED BLUETOOTH 4.1 TECHNOLOGY: Ultra-optimized version of Bluetooth that consumes less energy yet delivers more reliable connection, backward compatible with all Bluetooth-enabled devices (Bluetooth V2.1 and over). It enhances transmission distance to 30 feet and stability significantly, compatible with iPhone, iPad and most Android phones. IMPROVED SOUND QUALITY: EB30A promises excellent acoustic Hi-Fi experience with true tone and thumping bass. Its 40mm moving coil drivers feature triple frequency equilibrium for a particularly strong bass performance. LONG PLAY AND STANDBY TIME: Build-in rechargeable battery supports up to 10 hours continuous playtime & up to 26 days standby time HANDS-FREE FUNCTIONALITY: Built-in high sensitivity microphone features ultra-clear sound quality with noise reduction & echo cancellation technology STYLISH AND USERFRIENDLY DESIGN: The intuitive music control button allows users to adjust volume or skip songs with a simple tap on the ear. Stylish, Pretty, and High-quality. Whether for a friend, colleague or family member, it will be a bold fashion statement and nice gift surprise.