Wireless Sony Headphones Specifications and Features The comfortable and easy-to-use WI-C100 in-ear wireless headphones combine long battery life and fast charging with high-quality, customizable sound. For peace of mind and convenience, they also feature IPX4 water resistance and compatibility with the Sony | Headphones Connect app. Up to 25 hours of battery life DSEE™ engine restores lost frequencies during compression to produce high-quality sound that is closer to the original recording Sound tuning with the Sony | Headphones Connect app Splash-proof and sweat-resistant with IPX4 rating Easy hands-free calls and voice assistant Driver Unit 9 mm Frequency Response (BLUETOOTH® connection) 20 Hz–20,000 Hz (44.1 kHz sampling) We have 10 headphones available Price per unit: 60 SAR Delivery within Medina: 10 SAR Delivery outside Medina via RedBox (buyer pays) Buy button below