Sony Extra Bass Sports Wireless In-Ear Headphones - Black (MDR-XB50BSBZE)

In-ear design
Fits securely and directs music into your ears for full, uninterrupted audio.

Bluetooth 4.1 interface with NFC (Near Field Communication) technology
Enables simple pairing and wireless streaming with compatible devices from up to 33' away. Supports HFP, HSP, A2DP and AVRCP Bluetooth profiles.

Rechargeable battery
Offers up to 8.5 hours of use and lasts up to 200 hours on standby mode.

In-line microphone
Lets you enjoy hands-free calls.

Water-resistant housing
Helps prevent sweat and water from entering the headphones.

12mm drivers
Deliver powerful sound.

4Hz - 24kHz headphones frequency response
Along with a 50Hz - 8kHz microphone frequency response ensures faithful sound reproduction.

Dynamic transducer design
For reference-grade audio.

Stereo design
Delivers crisp tones.