Features:Sweat-resistant Wireless Earbuds: Bluetooth 4.0 technology ensures a wireless connection as flawless as a wired.Advanced Sound Technology: On-Ear Controls that let you adjust the volume up/down, play/pause, switch tracks and answer calls.Enjoy an impeccably comfortable and secure fitBuilt-in High Sensitive Microphone: Invisible microphone with high- performance sound quality for clear conversations.Noise Reduction: Remove unwanted noise during a hands free conversation, cleaning the audio for far-end listener.Move, jump, and sweat to the sound of your favorite beats: Protection of earbuds from moisture, so you can feel free to break a sweat. Specifications:Color: BlackFeature: Wireless HeadphoneFunction: Answering phone, Bluetooth, MicrophoneConnectivity: WirelessConnecting interface: Micro USBApplication: Mobile Phone, SportPower supply: Built-in rechargeable batteryBluetooth: YesBluetooth version: V4.0Bluetooth mode: Hands free, HeadsetColor: blackSize: 12*12*12mmMaterial: ABSPackage Included: 1 x Bluetooth HeadphonesNotes:Due to the difference between different monitors, the picture may not reflect the actual color of the item. Please understand, thank you.