Sony WI-XB400 Wireless In-Ear Extra Bass Headset/Headphones with mic for phone call, Black

Portable, lightweight, and comfortable wireless headphones packed with extra bass, 12mm drivers for crisp sound, and up to 15 hours of battery life. Versatile and practical, these soft, flexible headphones go anywhere you do with a stylish, compact design. The integrated microphone makes hands-free calling a breeze. Frequency Response (Bluetooth Communication) - 20 Hz20,000 Hz (44.1 kHz Sampling).