Bluetooth Headphones / Headset Rymemo Super Long Battery Music Stereo Sports/Running Wireless Earphones Vibration Neckband Style for Cellphone,White Large battery capacityUp to 20 Hrs Music Play Time Under Proper Volume Special Wire Cross StorageDesigned with little groove to place the earbuds in place Glazing Varnished SurfaceUnique Smooth Shiny surface, very eye-catching in crowd Excellent Hi-Fi SoundPowerful Bass Large Horn, Deliver you stereo music Crystal Clear MicHands-free Calling, ensuring your smooth HD Phone conversation