SCOSCHE HFBT200 Water-Resistant Bluetooth Stereo Headphones Bluetooth Headphones With Digital Quality Wireless Audio Wrap Around Design For Secure Fit While Working Out Conveniently Receives Handsfree Calls Controls Track, Plays, Pauses & Answers Calls Built-in Rechargeable Lithium Battery Allows For Up To 8 Hours Of Play Time Or 100 Hours Of Standby