Sennheiser PMX 680 Sports Earbud Headphone with Volume Control and Neckband

We partnered with Adidas on ergonomic design for a precise and comfortable fit. A unique moisture-resistant materials wicks away sweat and rain.Dynamic Sennheiser transducers deliver true sound performance. Designed for extreme movement. Flexible materials absorb shocks and strain.

Technical Specifications

• Frequency response: 18 - 20,000 Hz
  
• Cable length: 1.64 feet with 2.3 feet extension
  
• Sound pressure level (SPL): 120 dB
  
• Impedance: 16 ohms
  
• Connector: 1/8" (3.5mm)
  
• Total harmonic distortion (THD):
  
  Sold by Pavilion Electronics and Fulfilled by Amazon.