Wireless Earbuds, Syllable D700 Bluetooth Wireless Headsets Hands-Free Calling in-line Volume Control Built-in Microphone Mic Ear Hook Gym Gear Sweatproof in Ear Fit Earphone for Smart Phones Tablets The Highest Standard Parameters:Bluetooth 4.1 achieves the goal of energy conservation. Sweat-proof, durable design, Onscreen Battery Meter, Up to 5 hours of Talk/Playing Time and 180 hours Standby Time. PureSound In-ear white noise and listener fatigue reduction. Eliminates the white noise and delivers a clean audio experience offering hours of pure enjoyment. Stable and strong signal: Bluetooth 4.1 technology,the signal strength is nearly twice times than the general bluetooth headset in the market.the signal is stable no matter you turn left/right or other directions of the body. High Compatibility and English Prompt Voice: Compatible with Bluetooth enabled music players & A2DP enabled devices such as iPad234,iPod, iPhone 66Plus5S5C54S4, iPod touch, Android Smart Phones, tablets, etc.Fit for Samsung Galaxy Note 3 2 S4 S3 Mega NokiaLumia1020925928920MotorolaMotoXDROIDMAXXDROIDULTRA HTCDesire500DROIDDNAOne8X8SSonyXperiaZ1 GoogleNexus4,BlackberryQ10Q5Z30Z10,LGOptimusG