?Packing List & Warranty Service?: Package included : 1*Tayogo W16 Swimming Headphones, 1*USB Charging Cable, 1*Manual. In addition, every Tayogo items are under one year warranty. If you have any questions, please feel free to contact us and we are honored to serve you. ?Two Modes for You To Choose?: Tayogo Waterproof headphones has two modes: TF card and FM. TF card mode specifically designed for underwater 3m swimming. FM mode is suitable for daily sports.The two modes of waterproof mp3 player headphones can meet your music listening needs for a variety of daily activities.Allowing you to enjoy your favorite music directly from the headphones without additional equipment when sport or swimming. ?2nd Outstanding Features? ?1.5hour quick charge for up to 20 hours of battery life. ?Suction charging port (360 degrees + 180 degrees dual position rotation, one touch magnetic charging)?Can be used around the neck to avoid the uncomfortable feeling of wearing it on the head?Start playing music at memory position when MP3 turn on. ?8GB Swimming MP3 Player?: Tayogo headphones for swimming can be used as an MP3 player. Built-in 8GB memory card can store about 2000 songs. Simply drag and drop the downloaded music files on the computer to the built-in memory card of the headset. Supports music file formats for MP3,WMA,DRM,OGG,WAV,AAC-LC.it makes sports or swimming more enjoyable.New Audiovisual Experience!Born for Sports. ?Enjoy Music Under the Water?: Design with a humanized spiral earplug,it fit perfectly in the ear or hurt your ear.360 degree flexible bending,you can adjust its frame to fit your head or neck as you like.Fully silicon coated more durable.Your computer can easily identify the device and you can update music files anytime if you want.