Specifications:

• Sennheiser proprietary transducers, designed and engineered in Germany, deliver balanced and detailed sound with dynamic bass capability
• Sweat and splash resistant, designed to compliment your workout activities
• 6 hour battery life from a 1.5 hours charge. A 10 minute quick charge provides an additional 1 hour of battery life making sure the CX SPORT is ready to work out when you are
• Bluetooth 4.2 with multi point connectivity allows pairing with eight (8) devices and simultaneous connection with two (2) devices
• A choice of four sizes (XS, S, M, L) of ear adapters and three sizes (S, M, L) of ear fins create a personalized fit for optimal wearing comfort and excellent passive reduction of external noise. Connectivity Technology: Bluetooth 4.2
• Frequency Response - 17 – 21,000 Hertz , Impedance - 28 Ohm (Passive), 480 Ohm (Active)