• The CKS50TW's sidetone function allows you to hear your own voice during calls, resulting in more natural-sounding conversations.
  
• They are designed for stress-free operation and a more comfortable truly wireless listening experience.
• The splash-proof construction of the CKS50TW wireless earbuds eliminates the need to worry about keeping your earbuds dry during sudden rain showers or while exercising.
• These earphones deliver 50 hours of playback (20 hours in the earbuds an additional 30 hours with the charging case) and 90 minutes of power from only 10 minutes of charging.