The ATH-CKS550XBT wireless in-ear headphones feature 9.8 mm Solid Bass HD Drivers specially designed to fit within the headphones’ compact housings, giving you a comfortable listening experience that doesn’t sacrifice sound quality. The accurate sound reproduction is furthered aided by Bluetooth wireless technology that works with both the standard SBC codec and the higher quality AAC codec.

Features:

• Brand: Audio Technica
• Bluetooth wireless technology with in-line mic and controls for answering/ending calls, controlling music/video playback and adjusting volume
  
• 9. 8 mm solid bass HD drivers deliver extremely accurate, high-fidelity Audio with superb bass
  
• Internal battery provides seven hours of continuous use (200 hours on standby) on a full charge
  
• The compact housings are designed to provide a comfortable fit for ears of all sizes
  
• Includes silicone ear tips (XS/S/M/L), secure-fit clip, 30 cm (11. 8") USB charging cable and carrying case
  
• Frequency Response - 5-50, 000 Hz and Impedance - 16 ohms