Features:
– Lightweight aluminum alloy with ebony, strong and delicate appearance.
– Soft braided wire, strong and not easy to knot.
– It is soft and comfortable with skin-friendly soft silicone earplugs that fit snugly against the ear canal when worn.
– Independent volume control buttons are easier for operation.
– In-line control with call / song pick-up functions, is compatible with iPhone, iPad and IOS devices.
– Click once: call pick-up or music play/pause function.
– Click twice: Next song ; Click 3 times: Previous song.
– Support Android smart phone with call pick-up function, but song pick-up functions are depending on the setting of different brand mobile phones.
– Including 2 sets of silicone cover, is comfortable for wear and easy for wash.
– Gold plated pin is excellent for sound transmission.

Specifications:
– Speaker Dimension: 10mm Copper ring speaker
– Sensitivity: 91 +/- 3dB S.P.L. at 1KHz 1mW
– Frequency Response: 20 – 20000Hz
– Rated Power: 1mW
– Power Capability: 3mW
– Impedance: 16Ohm +/- 20% @1KHz
– Sensitivity: -39dB +/- 4dB @1kHz, 0dB = 1V/pa
– Frequency Response: 100 – 10000Hz
– Directivity: Omnidirectional Condenser Microphone
– Wire Controller: Three buttons
– Impedance: 2.2KOhm (Max)
– Operation Voltage: 4.5V
– Operation Current: 0.25 – 0.45mA
– Working Temperature: -25 Degree Celsius – +65 Degree Celsius
– Storage temperature: -25 Degree Celsius – +65 Degree Celsius
– Cable Length: 120 +/- 5cm
– Plug Type: 3.5mm gold plated plug