Bluetooth Headphone with Mic, Support SD Card & FM Sensitivity:84dBFunction:For Mobile Phone,For Internet Bar,for Video Game,Monitor Headphone,HiFi Headphone,For iPod,Sport,Common HeadphoneWireless Type:bluetoothActive Noise-Cancellation:YesConnectors:3.5mmLine Length:1.2mPlug Type:Line TypeFrequency Response Range:50-20000HzIs wireless:YesSupport Memory Card:YesStyle:HeadbandSupport APP:NoWith Microphone:YesResistance:32Volume Control:YesWaterproof:YesVocalism Principle:DynamicControl Button:Yes1. Bluetooth + MP3 function support stereo music playing, phone calling... 2. Support all audio devices that have Bluetooth capability, such as, cell phone ,tablet PC,laptop,computer etc. 3. 3.5mm audio jack, provides a simple wired connection of a variety of devices without Bluetooth. 4. Allow you to answer or reject phone calls anytime and anywhere. 5. Charged via USB, rechargeable battery, convenient and practical. 6. Playing time up to 8~9 hours, and continue talk time up to 8 hours, standby time up to 250 hours.