Francois et Mimi Sports Wireless Bluetooth 4.1 in Ear Headphones with Mic - Red Built for Style and Elegance- Utilizes the Latest and Greatest Bluetooth CSR 4.0 Technology Great for Exercise and Runing.These headphones will not fall out and have an operating distance of 10m! Retail package includes manual, industry-standard micro-usb charger cable, and earphones Simple user-friendly interface with volume and channel controls directly on the unit. Works great with almost all tablets and smartphones that utilize Bluetooth technology