Roman S530 Sports Bluetooth Hands Free Earphone Stereo Bluetooth V4.0 Dual Batteries Long Standby In-Ear Headphone with Mic for Tablet PC Smartphones. Double earplugs design, elegant appearance. Top-level CSR8635 Bluetooth chip, more clear conversation and stereo music. Dual batteries, ultra-long standby and working time (listening music up to 6 hours). The head of the earphone can be pulled out and transferred from double earphones to single earphone freely. In ear style, very convenient when driving and doing sports. Dual Micro USB charging ports. Light weight and portable, easy to carry. Suitable for all Bluetooth enabled device. Allows you to answer the call and listen to stereo music anytime and anywhere. So buy this and Save 43% OFF + Get Free Shipping for the Roman S530 Sports Bluetooth In-Ear Headphone with Dual Batteries, Long Standby and Mic.