Sony WF-C510 Truly Wireless in-Ear Bluetooth Earbud Headphones with up to 22-Hour Battery, Multi-point-Connection, Mic and IPX4 Water Resistance, Black- New. Features: ALL DAY COMFORT: Light and compact to give you all-day comfort and designed for the ideal fit, for an exceptional all-round listening experience. LONG BATTERY LIFE QUICK CHARGING: Up to 11 hours of battery life (up to 22hrs with case) with quick charging (5 min charge for up to 1 hour of playback). MULTI-POINT CONNECTION: Quickly switch between two devices at once. STAY CONNECTED: Ambient Sound Mode keeps you aware of your surroundings. EASY HANDS- FREE CALLING: A built-in microphone provides you with hands-free calling. No need to even take your phone from your pocket. WATER RESISTANT: With an IPX4 resistance rating, splashes and sweat won?t stop these headphones ? so you can keep moving to the music. GIVE YOUR MUSIC A BOOST: Boost the quality of compressed music files and enjoy streaming music with high quality sound through DSEE. POCKED SIZED CASE: Small and cylindrical, the charging case is made to fit your pocket or your bag. EASY BUTTON OPERATION: Play, stop, skip tracks, adjust the volume, access your smartphone?s voice assistant and receive calls hands-free with the touch of a button. IN THE BOX: Wireless Earbuds, Hybrid Silicone Earbud Tips, Charging Case (Charging cable sold separately)