Steelseries Flux In-Ear Mobile Headset featuring an in-line microphone controls, dynamic drivers with extreme bass, and flat non-tangle soft touch cable is compatible with all smartphones and tablets. With 13.5 mm speaker drivers for extreme bass, this headset delivers hard hitting audio and style. Functions as headphones for all platforms. Microphone not supported on PC; Passive noise cancellation thanks to a more secure, sealed in-ear fit; Microphone button to answer/end calls and control media for mobile devices Mac; Comfortable, sealed in-ear fit via optimized, compact design; Silicone ear tips are included in 3 different sizes: S, M, and L; A carrying case is included to protect your headset and carry your accessories; 3.5mm connectors.