Abstract:Bluetooth HeadsetNoise Cancelling Headphones,Website:http://www.sungi.net, MicrophoneGym / Running / Exercise / Sports / SweatproofMinimum Rated Talk Time: 4 hoursMinimum Rated Standby Time: 150 hoursSpecification:1. Wireless Bluetooth V4.1 you will never miss a phone when enjoy music.2. Talk/Music playtime : about 7 hours; Charging time: about 2 hours.3. Clear bass resonance, and superior sound isolation. Not only music, bluetooth phone still HD.4. Never fall off when workouts, Ergonomic in-ear design with medical grade silicone ear gels and stabilizers, providing you the most comfortable wearing earbuds full day.5. Lightweight and sweatproof design for running.6.HD Audio Quality; outstanding audio and call quality with enhanced BASS effect7.Support simultaneously connecting to two mobile phones.8.Support Various Bluetooth enabled devices, for example mobile phone, PDA, laptops, etc.9.Multipoint �Voice Prompts (English, Chinese)10.Top Quality Microphone11.Music Streaming with Stereo Cable12.Easy Volume �Music Control13.The item defines elegance and functionalityColorBlack/Green/Red, ectBluetooth Specification4.1 EDRBluetooth ProfileHFP 1.6, HSP1.2, AVRCP 1.4, A2DP1.2RF Range10MNoise ReductionCVC6.0Stand by timeabout 175 hoursCalculating Conversationabout 5 hoursCharging timeabout 2 hoursSize40x24x32mmWeight16.4g