Cazbi Helium High Resolution HD Stereo Headphones On-Ear Foldable with Volume Control, Microphone, Inline Remote, Carrying Case -Metallic, 3.5mm Jack (Metallic Crimson and Black)

These headsets are certified compatible with Android, Apple and Windows Phone devices.

Connectivity - 3.5mm Wired Connection - Improves audio quality when compared to a wireless connection, with improvements in device battery life. Driver Size - 40mm Smaller than 42mm is best for optimum sound quality Frequency Range - 20-20,000 Hz Low number refers to lowest frequency (Bass) that the earphones can produce, the high number the highest frequency. This range offers good powerful sounding bass, whilst also offering crisp treble.

Adjustable Acoustic Principle - Open Back This set-up of headphone is best for the majority of ear shapes and sizes, resulting in better bass compared to closed back headphones for most ear types, ensuring that the sound you hear is what the designer intended. Nominal Impedance - 16Ω Tuned for portable devices such as Smartphones, Portable Media Players, Tablets and PCs. backlit keys - Four levels of adjustable backlight helps adapt to different ambient light levels to achieve optimal visibility

Sensitivity - 107 ±3dB @ 1mW Good sensitivity for most devices, not suited to using with an amp. Max Input Power - 30mW(0.69V) - Ideal for compatibility with a wide range of devices.

* Availability of the inline remote function depends on the smartphone and its software version