Sony WI-C100 Bluetooth Wireless In-Ear Headphones, Bt 5.0, Remote Control, Black Eu - (SONY-WIC100-BLK)

Features
Playback Time: Up to 25 hours
DSEE(TM) Technology: Restores frequencies lost during compression for high-quality sound closer to the original recording.
App Support: Fine-tune your sound with the Sony / Sound Connect app.
Water Resistance: Splash and sweat resistant with an IPX4 rating.
Hands-Free Features: Easy hands-free calling and voice command assistant.
Technical Specifications
Speaker Unit: 9 mm
Frequency Response (Bluetooth(R) Communication): 20 Hz - 20,000 Hz (sampling frequency: 44.1 kHz)
NFC: No
DSEE: Yes