YIKESHU Bluetooth Earbud, Mini S530+ Wireless Bluetooth Stereo Earbuds Headset Earphones Support Hands-Free Calling Especially (Beige) NEW GENERATION:Bluetooth V4.1 and 4.0 smart chip, efficient and stable data transmission ,Compact and ultra Light Design Stereo Bluetooth earpiece.Hands free for you to do eveything with the earpiece. TEST BY OURSELVES:Up to 3 hours of continuous talk time, 2 hours of music time,standby time:120 hours,only take 1.5 hours to fully charged. ERGONOMICS DESIGN: S530+ Earbud is designed according to ergonomics. Fits either ear, wear the bud on right ear for better call clarity. BUILT-IN MICROPJONE: Invisible, smallest and one-button design.Digital noise-cancelling provides high quality clear and natural voice.You DO NOT even feel its existence .Its hands-free function would release your hands from answering the call during driving. WARRENTY SERVICE: 30 days no-questions-asked return policy and lifetime product service.