In-ear bluetooth headphones. High-quality wireless stereo headset designed for your active lifestyle. Energetic sound with enhanced bass to keep you motivated. Over-the-ear fit with memory wire is comfortable and secure for any activity. Microphone and controls for phone calls, music, and volume. Noise isolating in-ear design reduces ambient noise. Certified IPX4 sweat and water resistant design for increased durability. Frequency response: 20 Hz - 20 kHz. Included: 6 sets of eartips, case, and a micro-USB cable.