Wireless Bluetooth Headphone， Nasion.V U5 Plus Sports Hi-Fi Stereo Noise Cancellation Waterproof Sweatproof [Magnet] [In-ear] V4.1 CVC6.0 Earphone Earbuds Headset for Running，Cycling，Gym (Black)[Product Information]- BORN TO MUSIC: 8mm Micro-biological Diaphragm，Bluetooth V4.1 and the Best CSR Chip 8640 which really provide CD-quality sound and stable signal，free your sports with insiring and wireless sound.
- IN PERFECT SYNC WITH YOUR DEVICE: With Latest Technology Bluetooth 4.1，easy and fast pairing with smartphones， tablets and other Bluetooth enabled music devices; Offering you impressive dynamic sound.
- MORE MUSIC MODE AND A LONG PLAYING TIME: (balance，bass，treble.short press the "-"，"+" at the same time to change sound's mode).Up to 10 days of standby time，6-8 hours of play/talk time by using two separate 60mAh polymer batteries with a single charge， so you have less time charging and more time listening!
- WATERPROOF IPX-7 RATING:It means that you can use it in the situation of shower，cycling and other wading activities.
- COMFORTABLE AND SECURE WEARING:With preven winding cable and the really sweat proofing ，easy to keep and carry as necklaces when not use
