and stabilizers, providing you the most comfortable wearing earbuds full day.5.Lightweight and sweatproof design for running.Function characteristics:Bluetooth V4.0 versionSupport voice to answer the phone.Supports Bluetooth Headset musicSupports music songSupport the last number redialVoice reporting function.Bluetooth Headset operation voice prompt function.Supports Micro message, vehicle navigation, QQ voice software.Conversation 8-10 hours; listening to music 10-12h, and 150 hours of standb